Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

I/ATLAS is definitely a comet, not an alien spacecraft, but it is only the third confirmed interstellar object detected in ...

A viral theory claims more than 50 alien ships are heading towards Earth led by interstellar object 3I/ATLAS. What is the ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

Incredible but true! A Harvard astrophysicist puts forward a startling hypothesis: comet 3I/ATLAS could be an alien ...

Interstellar object 3I/ATLAS nears Earth with a bizarre 'anti-tail' and 14 anomalies. Is it a comet or alien tech?

Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet.

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

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

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

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.