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

Three symmetrical jets jutting out of interstellar object 3I/ATLAS are showing up in Hubble observations, puzzling astronomer ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Previously, Hawley offered some insights into where he wants to take things and what he wants to explore in future seasons. Regarding Wendy's (Chandler) final words of empowerment at the end of the ...

When interstellar object 3I/ATLAS was scanned for alien technology, scientists ran the most sensitive search ever attempted.

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

Interstellar object 3I/ATLAS, the third such visitor ever observed, is exhibiting unusual energy and chemical behavior as it ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

NASA has pinpointed the exact moment when interstellar comet 3I/ATLAS, the object suspected to be an alien spacecraft, made its closest approach to Earth.

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...