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

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

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

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

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

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

The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

While many sci-fi hits have spawned extended franchises, these standalone works prove that science fiction movies can leave ...

The most startling revelation regarding 3I/ATLAS concerns its age. Associate Professor Michele Bannister of the University of ...

People compare how aliens would reconstruct animals based on their skulls vs. what they really look like (28 pics) About 500 million years ago, not a single creature had a skull. Over time, these bony ...

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

While there was no Kurt Russell, 'Stargate SG-1' built upon the cult classic about a military operation that traverses the ...