Voyager 1 was launched in 1977 with a suite of 10 science instruments — as of 2026, only two remain switched on, and the spacecraft's nuclear power source loses roughly 4 watts every year, a slow drain that is now deciding what humanity still gets to learn from interstellar space
A single rare meteorite has revealed the chemical fingerprint of a Moon-sized world that once orbited the young Sun before being destroyed in a catastrophic collision — a lost planet science never knew existed until it landed as a rock