New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

A top scientist has suggested that aliens may be 'terrified of Earth' not because of humanity, but due to a bizarre cosmic phenomenon known as time dilation, which could leave any interstellar visitor ...

Harvard's Avi Loeb has joined Donald Trump's new UFO task force to help probe mysterious UAP sightings, bringing along his ...