Decades before blockbuster CGI aliens, artist Wayne Barlowe designed an entire ecosystem for his book "Expedition" — later ...

The search for intelligent alien life goes far beyond listening for simple radio signals. This documentary explores how ...

The search for life beyond Earth has marked a new discovery — evidence of an atmosphere on an Earth-like planet beyond our ...

Time, the British crime anthology series, has revealed David Tennant's new character in the first look at Season 3.

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, ...

From mechanical mutts to android assassins, our cybernetic companions have been entertaining us, their organic overlords, for decades. Here are the 20 best automatons ever to grace the small screen ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

The plants outside your window carry a hidden geography. Many arrived from distant continents. A new global forecast shows that mix is about to shift, in ways few people notice until it takes hold.

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

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 ...

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 ...

A visually ambitious animated sci-fi adventure with thrilling space battles, unforgettable worldbuilding, and a story that ...