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 ...

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 ...

Researchers have documented for the first time that insects can hear and react to plants’ acoustic distress signals, which are inaudible to human ears.

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

Two Minnesota fishermen made an unexpected discovery beneath the Mississippi River this week when sonar technology led them to what authorities say could be a break in a decades-old cold case.