A light, imaginative look at how extraterrestrial observers might interpret car haulers and what these vehicles reveal about ...

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

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

A new discovery beneath the Bermuda Triangle has added another layer to the mystery surrounding the region, known for its unexplained ship and aircraft disappearances. Scientists have found a massive ...

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

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

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

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

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

Think you know your Dyson spheres from your dark blobs? This cosmic crossword dives into the strangest, most mind-bending structures ever spotted — or imagined — in the universe.

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

Sigourney Weaver and James Cameron are reflecting on their lengthy creative partnership — which began with the 1986 sci-fi ...