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 ...

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

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

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

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

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

But on a smaller scale, three additional and mysteriously symmetrical jets become apparent in the Hubble observations, which ...

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

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.

Weaver was ultimately nominated for an Oscar for her role in Aliens, which she said in an October appearance on the Happy Sad ...