In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Executive producer Brad Rau tells io9 about that encounter between Maul and Devon—and one strange sound in particular.

Over four decades, the Alien franchise has brought many different versions of the xenomorph creature to theaters.

From weird mushrooms and hidden logos to a returning hero-turned-villain, we break down all the details in Metro 2039's ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." For every legitimate researcher trying their best to ferret out some evidence of alien life somewhere out ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: The illegal smuggling of ancient artifacts is a ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

This emerald bug might look like a piece of fine jewellery. But take my word for it. You don’t want this wasp anywhere near you, even if it would make a beautiful accessory. Supreme Court hands Steve ...

Earth’s sky is only one version of a cosmic phenomenon. Other planets offer skies filled with strange colors, thick ...

President Donald Trump's stunning order to reveal all government files related to aliens and UFOs could finally provide smoking-gun proof humans are not alone, said experts and UFO enthusiasts, ...