Astronomers captured a glimpse of the innermost layers of a massive star before it exploded in a supernova, changing their ...

Archaeologists say they have uncovered an ancient temple in Bolivia that may offer clues about Tiwanaku, a lost society that ...

Paleontologists have discovered a new dinosaur species with a very distinctive feature, a sail-like structure running down ...

While exploring the ocean in a deep-sea submersible, scientists say they discovered a flourishing ecosystem capable of ...

Fossilized teeth show that two different kinds of ancient human ancestors coexisted more than 2 million years ago. One of ...

Ancient stone tools found on the Indonesian island of Sulawesi represent the oldest evidence for humans living there 1 million years ago.