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

Harvard astrophysicist Avi Loeb has been claiming a comet called 3I/ATLAS is actually an alien spaceship sent to probe our solar system. The Manhattan-sized object passed Earth earlier this month ...

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

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

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

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

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...