Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

The researchers who scan the skies for radio signals from extraterrestrials are now rethinking their approach.

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

Comets are often treated as leftovers, but sometimes the leftovers become the primary focus. That is the case with 3I/ATLAS, only the third known interstellar object seen crossing the solar system, ...

SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

The European Space Agency's JUICE spacecraft has captured detailed images of the interstellar comet 3I/ATLAS, offering ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Turbulent plasma near distant stars could blur ultra-narrow signals before they leave their home star systems - making them difficult to detect. The post How ‘space weather’ may cause alien signals to ...

Space scientists have revealed a new image of the mysterious space rock that passed through our solar system. Researchers said the picture shows the interstellar Comet 3I/ATLAS, suggested to be a ...