Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

From fish and turtles, to hippos and crocodiles, about 43% of all known large freshwater animal species have been ...

In Beacon Valley, one of the most Mars-like regions on Earth, Ariel Waldman reveals hidden ecosystems that persist despite ...

A massive, bus-sized “terror croc” that once preyed on dinosaurs has been brought back to life in stunning detail with the ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

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

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

His job was to uncover secrets from the unknown. But his curiosity opened doors that the government preferred to keep closed.

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

SKAGIT COUNTY, Wash. — Officials found eight more "canine" carcasses on Skagit County beaches Thursday, bringing the total to 21, after over a dozen carcasses washed ashore in the past week. Guemes ...

This creature doesn’t think the way we do—because it doesn’t have just one brain. With 9 brains and 3 hearts, it can process information across its entire body, even controlling each arm independently ...

Scientists have discovered fossils showing that complex animals existed millions of years before the Cambrian explosion, reshaping the timeline of life on Earth. The finds reveal a strange, diverse ...