Scientists finally explain Europa’s spider-like ice patterns, revealing violent subsurface water flows, eerie “spider demons, ...

A Spelunker Thought She Found Trash in a Cave. It Was Actually Evidence of a Lost Civilization. A retired policeman was ...

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth ...

A new study reveals the likely origin of a mysterious spider-like pattern first spotted on Jupiter's moon Europa in 1998. The ...

But in this case, the companion is officially considered an exoplanet, not a star. The International Astronomical Union ...

Scientists using NASA’s James Webb Space Telescope have observed an entirely new type of exoplanet whose atmospheric ...

Discovered in archival data, the newly identified exoplanet formed after the dinosaurs went extinct. In a finding that echoes ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...