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EPA Grant Supports Nature-Based Solutions & Sediment Science for North Bay Marsh
The U.S. Environmental Protection Agency last month announced that it selected the San Francisco Estuary Partnership and the Association of Bay Area Governments as awardees of a $13.9 million grant to restore and enhance some 1,500 acres of tidal wetland habitat known as Strip Marsh East along the State Route 37 corridor in Solano County.... Read More
EPA grant supports nature-based solutions and sediment science for North Bay marsh
The U.S. Environmental Protection Agency last month announced that it selected the San Francisco Estuary Partnership and the Association of Bay Area Governments as awardees of a $13.9 million grant to restore and enhance some 1,500 acres of tidal wetland habitat known as Strip Marsh East along the State Route 37 corridor in Solano County.
The Beaver Brown Waters of Rupert Bay
Dissolved organic matter and suspended sediment mingle in the southernmost extent of James Bay.
Scientists Found a Deep-Sea ‘Death Pool’ That Vanished. It May Show How Earth's First Life Survived
New sediment tests from a research vessel in the Red Sea suggest that primordial deep-sea microbes may offer a glimpse of how life made energy before Earth had oxygen.
A teacher spotted two unusually large footprints. They turned out to be a first for science - WSVN 7News | Miami News, Weather, Sports
(CNN) — Kent Hups set out one morning on a research expedition in the famed Hell Creek Formation, a series of fossil-rich sedimentary rock layersRead More
Minnesota Pollution Control fines Iowa business thousands for sediment discharge
The Minnesota Pollution Control Agency has fined an Iowa-based construction company more than $16,000 for discharging sediment into Camp Creek.
SUNY Potsdam geoscientists awarded National Science Foundation grant
Two SUNY Potsdam geoscientists have been awarded a National Science Foundation grant to investigate the chemistry of ancient waters preserved in sedimentary rocks across Atlantic Canada, research …
Curiosity Blog, Sols 5002-5009: Tough Planning To Learn More About Wind-Blown Sediments
Written by Benjamin Tutolo, Professor, University of Calgary
We now have an incredibly detailed map to help predict which areas of LA are the most at risk from 'The Big One'
A new 3D map of the Los Angeles basin reveals deep sediments that could intensify shaking in an earthquake.
The Otherworldly Geology of Vasquez Rocks
Layers of sedimentary rock that jut from the Soledad Basin at surprising angles have long enthralled television and film producers, including the team behind Star Trek.
Reading the Mud: How the Science Museum Looks Into the Past to Guide Freshwater’s Future
The Science Museum of Minnesota’s world-renowned St. Croix Watershed Research Station is a global leader in freshwater sediment core research.
Sea Aggie Researchers Make Evening Fun with Science on the Beach
“The environment is where we all meet; where we all have a mutual interest; it’s the one thing all of us share.” – Lady Bird JohnsonOn Galveston Island, beaches rank among the favorite environments to share and study, and, as Texas A&M University at Galveston faculty emphasized last week, are “More Than Just Sand.”A program subtitled “The Secret Life & Value of Sandy Beaches” drew more than 40 people to the Aug. 13 meeting of Surfrider Foundation Galveston, a local chapter of a nonprofit focused on the protection and enjoyment of oceans and beaches.The evening began barefoot with ecology lessons on the sand before moving across Seawall Boulevard for beverages, bites, and more beach talk at an area establishment. Drs. Guilherme Corte and Yasmina Shah Esmaeili show how a mesh bag is used as a sieve to separate organisms from samples of the sand. Credit: TAMUG Divisions of Marketing and CommunicationsNot far from where others were enjoying the attractions at Pleasure Pier, Drs. Guilherme Corte and Yasmina Shah Esmaeili introduced the ecologically curious to species living within the sediments.“When people hear ‘coral reefs,’ they immediately think of fish, live ecosystems, but when they think of sandy beaches, they think party, recreation, vacations – not coastal ecosystems,” said Corte, an assistant professor of marine biology in the College of Marine Sciences and Maritime Studies at TAMUG.Shah Esmaeili co-founded the Gulf eDNA Network and works with Corte in TAMUG’s Benthic Ecology Lab.“Sandy beaches are indeed great places for leisure and recreation,” Corte said. “Let’s keep enjoying them, because they are awesome. But they are also full of life that we most of the time don’t realize is there.”The married couple soon had the beachcombers measuring the slope with PVC poles, searching for ghost shrimp with a stainless-steel pump, sifting for marine worms and sand fleas, and guessing which species would burrow fastest back into the sand once released.Away from the sand, the focus turned to research from Drs. Ashley Ross ’03, ’10, and Virgie Greb, ’25 and those words from Lady Bird Johnson reminding people that the environment isn’t separate from their daily lives.“It’s about things that we value, mostly our communities, strong local economies, outdoor recreation, cultural connections, and our overall quality of life,” said Greb, a proud BOI – born on the island – Galvestonian, who now works in Austin as a project manager for the Texas General Land Office. “Along our coast, these benefits are deeply interconnected.”Greb and Ross, an associate professor in marine and coastal environmental science with the College of Marine Sciences & Maritime Studies, have studied a variety of ways beaches and the sea are important to Galveston and those who live there. Drs. Ashley Ross (left) and Virgie Greb (standing at right) field questions after their presentation. Credit: TAMUG Division of Marketing and CommunicationsIn 2023, using three survey methods – online for Galveston County residents, in-person at beaches, and paper distributed via city water bills – they collected 732 complete responses, 53 percent from residents and 47 percent from visitors.Most were frequent beachgoers who gave the recreation value of Galveston beaches a “B” and rated amenities such as restaurants, lodging, shopping, and beach access highly. Lower rated were water clarity and restroom facilities.“It’s noticeable that primary residents actually rate water quality higher; they’re more tolerant of hard, turbid water,” Ross said, crediting them with better understanding the natural conditions with the Trinity and San Jacinto Rivers bringing sediments and rich nutrients to the area around Galveston.Island residents also were more likely to understand that “clear” isn’t the same as clean beach water and to know that water quality is regularly tested. Clean means absent of disease-causing pathogens.“We need more education and outreach focused on water quality and the benefits of Galveston beaches and shores and water,” Greb said. “And it’s not just for tourism. There are a lot of people who are very lucky to live on an island with beaches and the bay.”
MEAS Researchers Lead $1M NSF Project Using AI to Forecast Coastal Dead Zones | Marine, Earth and Atmospheric Sciences
The team aims to produce faster forecasting tools that could support fisheries management and decision-making in Gulf Coast communities.
West Bend farmer worries sediment from city construction project might hurt his business
A West Bend farm owner is speaking out after sediment flowed onto his property during Monday’s rain, and he said the city might be to blame.
Montgomery Co. lifts all remaining health advisories for Potomac River shoreline related to sewage spill
Montgomery County lifted all its remaining health advisories for the Potomac River shoreline and river sediment related to the failure of the Potomac Interceptor.
Business in Oak Creek Canyon worried about impact of flooding threat
Last week’s flooding turned Oak Creek dark as water carried charred debris downstream after the Pocket Fire. Forest Houses Resort says floodwaters rose about 5 feet at its crossing, leaving it impassable until crews cleared sediment. Owners say continued flash flood concerns have prompted guest cancellations, even as their private property remains accessible. Businesses say open trails, restaurants and other attractions still give visitors reasons to come to Sedona and Oak Creek Canyon.
Fans of the Arctic
Sediment eroded from ice-capped mountains splays out across a broad river valley on Russia’s Severny Island.
Earth’s orbital wobble triggered rapid climate chaos during the dinosaur age
New research suggests Earth’s climate can swing wildly on surprisingly short timescales — even during hot, ice-free greenhouse periods. By studying ancient sediments from the Late Cretaceous, scientists uncovered repeating climate shifts tied to tiny changes in Earth’s orbital wobble. These cycles may have repeatedly pushed the planet between humid and arid states every few thousand years.
Off Uruguay, PACE Partners Connect Data from Satellite and Sea
The waters and ocean sediments offshore of Uruguay are highly understudied, making it a unique location for a PACE PVST field campaign and an exciting opportunity to work alongside SPARC scientists.
Rover-Induced Mineral Transformations: Extent of the Effect for the Mars Science Laboratory and Opportunities for Future Landed Mission
X-ray amorphous sulfate hydrates are a substantial component (up to 23 wt%) of the sedimentary rocks
Scientists find perfect fossils in rust beneath Australian farmland
Beneath the dry farmland of New South Wales lies a hidden window into a lost rainforest teeming with life from 11-16 million years ago. At McGraths Flat, scientists have uncovered fossils preserved in astonishing detail—not in typical rock like shale or sandstone, but in iron-rich sediment once thought incapable of such preservation. Tiny iron particles filled and captured entire cells, preserving everything from insect organs to fish eye pigments and delicate spider hairs.
Nature Conservancy award supports URI research on salt marsh health
KINGSTON, R.I. – April 6, 2026 – Rhode Island’s salt marshes protect coastlines and provide critical habitat, but many are increasingly threatened by sea level rise and other environmental pressures. Madison Geraci, a Ph.D. student in evolution and marine biology at the University of Rhode Island, is studying organisms hidden within marsh sediments to better […]
Potatoes on the moon? Oregon State University scientists show it could work
Researchers grew potatoes in soil that mimics the powdery sediment on the moon's service. With just a little added compost, the plants produced a decent haul of potatoes.
Scientists Stunned: Colossal Eggs Discovered 3,500 Meters Beneath an Active Volcano
Beneath an active seafloor volcano off Vancouver Island, researchers have documented a congregation of giant eggs at roughly 3,500 meters, a discovery that reframes how life can flourish under extreme conditions. The eggs belong to the Pacific white skate, an elusive deep‑sea species adapted to cold, crushing pressure and perpetual darkness. What seemed an unlikely nursery is actually a geothermally warmed refuge, where subtle heat helps embryos survive a marathon incubation. The finding links volcanic energy to a quiet engine of biodiversity, turning a hostile landscape into an incubator. A living volcano, a hidden nursery The seamount long assumed dormant now exhales mineral‑rich, shimmering plumes, proof of hydrothermal life at depth. Expedition cameras swept across black basalt and pale bacterial mats, revealing vents that pulse with warmth. That warmth, though modest by human standards, alters the physics of development for cold‑adapted embryos. In a realm where metabolism creeps, even a few degrees can mean faster growth and higher survival. The volcano is not only active; it is ecologically formative, drafting a blueprint for a thriving oasis. Giant eggs and a skate built for the abyss The Pacific white skate, Bathyraja spinosissima, is built for the abyss: broad wings, armored spines, and a life history that trades speed for endurance. Females lay outsized, rectangular “mermaid’s purses,” often 46–50 centimeters long, packed with rich yolk to fuel years of growth. In the frigid deep, embryos can require around four years to hatch, a timeline that magnifies every energetic advantage. The scale is striking—large eggs, large adults, and a textbook case of deep‑sea gigantism. The volcano’s gentle heat may literally shave months or years from the wait. Why heat matters at the bottom of the sea Hydrothermal circulation delivers low‑level warmth without the turbulence that would scatter fragile egg‑cases. Slightly elevated temperatures accelerate enzyme kinetics, nudging development along while keeping embryos within a safe range. Mineral‑laden fluids likely shape local microbiomes, which, in turn, can influence biofilms on egg surfaces. The environment acts like a slow, steady incubator, countering the deep sea’s tyrannies of cold and scarcity. For a species with long maturation and few offspring, every incremental boost compounds across generations. An ecosystem sculpted by fire and water Seafloor volcanoes create steep environmental gradients, stitching together hot vents, cool eddies, and mineral gardens into mosaic habitats. Microbes harvest chemical energy, seeding food webs that support crustaceans, fishes, and skates. Cameras documented egg‑cases nestled among rocky ledges, near communities nourished by vent‑driven chemistry. These islands of productivity behave like deep‑sea oases, sustaining life far beyond the vent orifice’s flickering light. The nursery’s success underscores how geological forces engineer biological opportunity. “Finding a cradle of life tucked beneath a breathing volcano reminds us that the planet’s harshest places can be profoundly generous.” What the discovery could change The nursery reframes conservation priorities in regions where volcanism quietly underwrites reproduction. Protecting hydrothermal corridors could safeguard entire lifecycles, not just charismatic adults spotted during occasional surveys. It also sharpens questions about how climate‑driven shifts in ocean circulation might influence vent activity, temperature fields, and embryo survival. With methodical mapping, time‑series cameras, and environmental DNA, scientists can track whether nurseries remain stable or drift with geologic rhythms. Key implications include: Enhanced understanding of deep‑sea reproduction at hydrothermal sites. New conservation targets centered on geothermal nurseries. Comparative studies with other volcanic regions, from the Galápagos to rift zones. Biotechnological insights from organisms adapted to long, cold development. Better models of how seafloor heat shapes regional biodiversity. Methods behind the revelation Remotely operated vehicles threaded through chimney fields, gathering video, temperatures, and mineral signatures. High‑definition imagery captured the distinctive, horned egg cases, their edges dusted with fine volcanic silt. Geochemical profiles mapped how heat and chemicals disperse, outlining the “thermal lanes” where eggs most cluster. Combined, these datasets reveal a nursery organized by geothermal topography, with egg‑cases concentrated in pockets of gentle, sustained warmth. A fragile boon in a changing ocean Deep‑sea environments feel remote, yet they intersect with global pressures: mining proposals, cable routes, and shifting oxygen levels. The nursery’s resilience hinges on stable heat flow, intact substrates, and minimal disturbance from noise or sediment. Safeguarding such places is not just about protecting novelty; it preserves a slow, ancient strategy that lets large, long‑lived animals endure in the coldest reaches of the Pacific. Where geology and biology meet, the planet’s deep time still writes living stories. This volcano‑warmed nursery adds a vital chapter to that story, revealing how subtle thermal gifts can tip the scales toward life in the abyss. With each dive, researchers trace the contours of an unseen world, where fire feeds water, and water—against all odds—feeds the future.
Scientists See Converging Evidence of Antarctic Ice Retreat
A sediment core spanning millions of years and new modeling studies point to significant ice retreat under temperatures similar to today.
Salt: A Vital Compound for Science and Society
From salt basins in the Persian Gulf to lithium reserves in Chile, evaporite minerals accumulate in sedimentary basins under tectonic and climatic processes of significance to scientists worldwide.
Scientists Discover Ice Age Forests in the North Sea’s Sunken “Lost World”
Ancient DNA preserved in seabed sediments suggests Doggerland hosted temperate forests far earlier than expected.
Scientists stunned to find signs of ancient life in a place no one expected
While exploring ancient seabeds in Morocco, scientists discovered strange wrinkle-like textures in deep-water sediments that shouldn’t have been there. These structures are usually made by sunlight-loving microbial mats in shallow waters. But the rocks formed far below the reach of light, suggesting a different explanation. Evidence points to chemosynthetic microbes—organisms powered by chemical reactions—creating the mats in the dark depths of an ancient ocean.
A major climate hope in Antarctica just melted away
A popular climate theory suggested that melting Antarctic glaciers would release iron into the ocean, sparking algae blooms that pull carbon dioxide from the air. New field data from West Antarctica reveal that meltwater provides far less iron than scientists once believed. Instead, most of the iron comes from deep ocean water and sediments, not from the melting ice itself. The discovery raises new questions about how Antarctica influences climate change.
Scientists uncover oxygen-loving ancestor of all complex life
For decades, scientists have believed that complex life began when two very different microbes joined forces, eventually giving rise to plants, animals, and fungi. But one major puzzle remained: how could these organisms have met if one depended on oxygen and the other supposedly lived without it? New research suggests the answer lies in ancient microbes called Asgard archaea.
Snowball Earth might have had a dynamic climate and open seas
Sediments from Scotland hint that ocean-atmosphere interactions continued more than 600 million years ago despite widespread ice.
These 773,000-year-old fossils may reveal our shared human ancestor
Fossils from a Moroccan cave have been dated with remarkable accuracy to about 773,000 years ago, thanks to a magnetic signature locked into the surrounding sediments. The hominin remains show a blend of ancient and more modern features, placing them near a pivotal branching point in human evolution. These individuals likely represent an African population close to the last common ancestor of Homo sapiens, Neandertals, and Denisovans.
A Plume of Bright Blue in Melissa’s Wake
The category 5 hurricane stirred up carbonate sediment near Jamaica in what scientists believe is the largest such event in the satellite record.
Scientists just found the best places to look for ancient life on Mars
Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ones for the first time. Researchers mapped 16 massive drainage basins where water likely flowed long enough to support life. Even though these areas cover just 5% of ancient Martian terrain, they account for a huge share of erosion and sediment movement. That makes them some of the most promising places to search for ancient life.