An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

Ridley Scott's eight-part sci-fi masterpiece has emerged as the perfect weekend binge before it returns for its sophomore ...

The filmmaker made his first-ever appearance on the CinemaCon stage in Las Vegas for his upcoming Universal film about the ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

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

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.

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

This is read by an automated voice. Please report any issues or inconsistencies here. Celebrity bald eagles Jackie and Shadow are on the verge of welcoming a new addition to the family just in time ...

Something revolutionary is about to step out of the shadows HONOR ‘NATO alliance effectively destroyed’: Trump threatens allies over Iran war Lucy and Ricky in real life: 28 photos of Lucille Ball and ...

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, ...