During its original network run in the 1960s, Star Trek was famously saved from cancellation twice by fan letter-writing ...

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 ...

The NASA-funded ATLAS survey in Chile found the object on July 1, 2025. It was quickly recognised as the third interstellar ...

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes its closest approach to Earth.

Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and speed.