From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

A planet believed to have reached its lunar ceiling has just broken the record. A new study has discovered 128 new irregular ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

That’s according to a re-examination of data captured by NASA’s Cassini spacecraft, which flew by Titan dozens of times ...

How can a comet from another star system have a tail pointing toward the Sun? This counter-intuitive phenomenon, observed for ...