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

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

Asked when they humans will likely have contact with extraterrestrials, an eye-popping 21% said, “We already have,” according ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

Previous landmark scientific discoveries like the Higgs boson provide a better template for what it will take to confirm ...

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