Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

Fossils from China's Chengjiang beds reveal that early vertebrate ancestors, jawless fish called myllokunmingids, possessed ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

Stargate SG-1 was recent added to Netflix, so we're counting down the series' best seasons from good to brilliant.

A metallic, pot-like artifact that reportedly was unearthed from a pile of rocks by workers who were building St. Peter’s Church on Bowdoin Street 174 years ago continues to be the source of ...

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

They're fast, ferocious and hungry for meat. While you might feel safe watching them from a distance, if you're caught by one of these beasts in the wild... well... good luck to you, friend.

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.

The most widely accepted scientific explanation for the arrival of all complex life on Earth has had an unsolved mystery at its heart. According to the theory, all plants, animals and fungi, known ...

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key oxygen-processing enzyme back hundreds of millions of years before the Great ...

Scientists propose that eukaryotes formed when an Asgard archaeon entered into a close partnership with an alphaproteobacterium. Over time, the two organisms became permanently linked. The ...