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 ...

The oldest terrestrial materials ever dated by scientists are extremely rare zircon minerals that were discovered in western ...

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

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

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

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

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

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

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?