A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

A leading astrobiologist argues that advanced aliens may well exist but are likely giving Earth a miss, thanks to vast ...

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” – Arthur C.

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 ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial ...