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

Using JWST, scientists discovered PSR J2322-2650b — a carbon-rich, lemon-shaped exoplanet orbiting a pulsar — challenging ...

The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Exoplanet TOI-561 b is the closest of four worlds orbiting a 10-billion-year-old G-type star roughly 280 light-years from Earth. Credit: NASA / ESA / CSA / Ralf Crawford illustration NASA’s James Webb ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...