A new study reveals Jupiter's moon Europa likely lacks active geology on its seafloor, reducing chances of life in its vast ...

In the vast, silent expanse of our solar system, a new visitor has sparked a familiar question: are we truly alone? For those ...

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

Celebrated UK-based comic book artist Jock (Absolute Batman) shares a piece of concept art for Hulu's acclaimed "Alien: Earth ...

Scientists scanned interstellar Comet 3I/ATLAS for alien signals using powerful radio telescopes, found nothing artificial, ...

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

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

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

Pre-discovery archives have only added to the confusion. It turns out 3I/ATLAS may have been active even further out, beyond ...

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

Hubble reveals a mysterious 'controlled' jet system on 3I/ATLAS. Is this 130,000mph interstellar visitor a natural comet or ...

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