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

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

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

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

The Perseverance rover has been exploring the Jezero Crater for years, and it's finally found a potential meteorite, now ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that ...

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth this week, sparking alien theories and global interest as ...

The exoplanet, dubbed PSR J2322-2650 b, has a helium-and-carbon atmosphere, something researchers say they've never seen ...

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

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track ...