Children are always asking "Why?" As they experience things for the first time, it's natural to want to find out more. But as ...

Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and plants.

Ten years ago, nobody knew that Asgard archaea even existed. In 2015, however, researchers examining deep-sea sediments ...

A 500-year-old shark, a $7 million study, and a baffling disappearance—what happened? Scientists spent years tracking ...

For decades, billionaires have focused on space exploration, but one mysterious investor is looking in the opposite direction ...