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

A NASA astrophysicist argues alien civilizations may be out there—but too quiet or distant for us to detect. Here’s the new ...

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

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

The interstellar visitor Comet 3I/ATLAS passed Earth with Harvard astrophysicist Avi Loeb saying it could be an alien probe.

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

Uri Geller alleges NASA is hiding alien remains tied to interstellar comet 3I/ATLAS, sparking debate amid scientific evidence ...

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

SCIENTISTS are scratching their heads as 3I/ATLAS reaches its closest point to Earth, but it’s not behaving like a typical ...

By chance, NASA Europa Clipper captured interstellar comet 3I/ATLAS in ultraviolet light as it sped past Earth, revealing hidden gases and offering a rare preview before its Jupiter encounter ahead.

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

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