There have been loads of cool sci-fi movie weapons over the years, but none compare to these five that remain the most iconic ever conceived.

An alien convention will return to Eastbourne this year – and organisers suggest a UFO flyby could be on the agenda.

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

"Supergirl" writer Ana Nogueira on the movie's key changes from the "Woman of Tomorrow" comic, plus her "Wonder Woman" and ...

A "super-family" character gets a chance to be more than eye candy in a cape in this largely satisfying take on a stellar comic-book story.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow the search for potentially habitable planets beyond Earth. When you purchase ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could crater existing Red Planet research missions.

An enormous world orbiting a sun-like star just 57 light-years away in space may have a pink hue and a sky filled with clouds of salt. "Distant object" is about as precise of a label as it gets for ...