A study of fossils from the Permian-Triassic extinction event 252 million years ago shows that forests in many parts of the ...

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

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 ...

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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.

Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare.

University of Missouri researchers find Earth's ancient animal reefs were surprisingly sparse compared to their modern ...

Ancient Earth saw a huge spike in meteor impacts. ... Earth has active plate tectonics, weathering, and erosion, and these processes smooth over our planet’s record of ancient craters.