Scientists finally cracked the long-standing mystery of a "singing snake" in the Amazon rainforest.

The ocean can be a deep and dark place, but the so-called "ninja" shark can light up its surroundings with a dimly glowing head, a new report says.

Unexpected algae leaves clues to an ancient environment

An international team of researchers studies one slim bird to answer some big biological questions.

An ancient native American settlement saw an ultraviolent period in the mid-1100s, where nine out of 10 people experienced violence, skeletal remains suggest.

A 3D modeling technique allows researchers to stay dry while studying skeletons found in a deep underwater cave on the Yucatan Peninsula.

The 20th World Cup kicked off Thursday in Sao Paulo, Brazil, and a new aerial image from NASA captured a stunning nighttime view of the host country.

A new model helps explain why the Sahara settled east of the Atlantic instead of sailing off with South America — it's all about the angles.

A mysterious mummy that sat in a German collection for over a century was once an Incan woman who was murdered with blunt-force trauma to the head, new research suggests.