Learn how a flip in Earth's magnetic field may have caused changes in the radiation on our planet.

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the ...

Scientists have finally cracked a long-standing mystery about squid and cuttlefish evolution by analyzing newly sequenced ...

Scientists have traced the origins of complex life to the breakup of the supercontinent Nuna 1.5 billion years ago. This tectonic shift reduced volcanic carbon emissions, expanded shallow seas, and ...

Over the course of nearly five months in 2022, NASA's Perseverance rover collected rock samples from Mars that could rewrite the history of water on the red planet and even contain evidence for past ...

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so vast and unusual that they defy conventional models of planetary evolution.

A new analysis of zircon crystals from the Stac Fada Member in northwest Scotland has revealed a billion-year-old meteorite impact event that may have reshaped the trajectory of life on Earth. The ...

Here’s what you’ll learn when you read this story: It used to be thought that there were more volatiles than expected in lunar soil because they escaped Earth before it had a stable magnetic field.