Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

A soaring valuation for SpaceX, coupled with favorable court rulings and investor confidence, has driven Musk's net worth ...

Scientists argue ape-like Sahelanthropus tchadensis that lived in Africa 7m years ago is best contender but more fossils are needed ...

I/ATLAS shows baffling energy and composition that defy cometary physics, sparking scientific scrutiny and debate over its ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

A mystery that started with the discovery of a pinkie finger bone in Denisova Cave in the Altai Mountains of southern Siberia may finally have been cracked.

Until not that long ago, scientists widely agreed on the evolutionary journey that plants took from the oceans to the land. They thought that algae evolved into mosses and their relatives, known as ...