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

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

Researchers sequenced ancient Egyptian DNA from a 4,500-year-old skeleton, revealing genetic links between early Egypt and ...

Triassic Mass Extinction, also known as the "Great Dying," which occurred around 252 million years ago and wiped out nearly ...

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

Ancient oceans with phosphorus-rich waters may have supported some of Earth’s earliest microbial life, according to a new ...

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or ...

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.

Two different testing methods have revealed that rocks from the Nuvvuagittuq Greenstone Belt in northeastern Canada date back ...