The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could be overlooking prime evidence of alien intelligence.

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...