Contextualizing speed and distance helps set expectations. Around perihelion, 3I/Atlas is moving at roughly 68 km per second. Its closest approach to Earth is about 1.8 AU, near December 19, which is ...

These rare samples, uncovered on the moon by China’s Chang’e 6 mission, might help to reveal secrets of how the solar system ...

The chemical signatures we're observing may reflect both the comet's ancient origins and its long journey through ...

In the arid hills of northwestern New Mexico, a discovery is reshaping one of the most enduring narratives in natural history ...

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.

Scientists confirm Earth's so-called 'second moon' is just a small, temporary quasi-satellite with no real impact, debunking ...