Unexplained sightings have appeared in our skies for years, and now the U.S. government has started releasing declassified ...

Alien life may be hiding much closer to home than science fiction would have us believe, according to a particle physicist ...

Scientists have discovered extraterrestrial material inside a crater on Earth which they believe could rewrite what we know ...

Ridley Scott is adamant that everyone should watch the underrated 1959 sci-fi movie which starred Gregory Peck and Ava ...

A decade ago, we spotted an exoplanet that could be the most habitable world yet discovered. Now we're about to find out if ...

Great science fiction shows stay memorable and relevant long after the last episode airs. These 10 series have retained their ...

A breakdown of Exobiotica, a speculative world that imagines alien life through believable evolution, anatomy, and ecosystems.

Rising abruptly from the lush, untamed jungles of southeastern Venezuela, Mount Roraima is a geological behemoth that defies ...

The way I see it, there’s nothing to fear,” said former President Jimmy Carter, who once reported seeing a UFO. “If there is ...

"This whole evil alien trope seems to me to be a mirror held back to how our civilization has interacted with itself." ...

The untrained eye might not have spotted it at all: this sea slug, a nudibranch in the genus Doto, was a few millimeters long ...

If intelligent life exists beyond Earth, we may be picturing the wrong kind of encounter. Most of us imagine other beings as ...