Before the rise of dinosaurs, Earth was a vastly different place, teeming with life in forms that were strange and unlike ...

A study of fossils from the Permian-Triassic extinction event 252 million years ago shows that forests in many parts of the world were wiped out, disrupting the carbon cycle and ensuring that Earth re ...

Earth's earliest life forms developed ways to survive the harmful effects of arsenic to cope with dramatic changes in their ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Remains of this key transitional species date to a mysterious "black hole" in the fossil record.

Fossils from Earth’s biggest extinction reveal forest collapse triggered runaway warming - offering a warning for today’s ...

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or melted by geologic processes over billions of years.

Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that ...

Scientists discovered a cancer-fighting compound in mold from ancient tombs, revealing a powerful new drug against leukemia.

A belt of volcanic rock along the eastern shore of Hudson Bay in Canada’s Quebec province has been confirmed as the oldest ...