A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.

In 1869, John Wesley Powell was studying layers of rock in the Grand Canyon when he noticed an unconformity in the layers. Around a billion years were missing, and the problem turned out to be global.

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In the whole history of Earth's climate, few events are as extreme as those that geologists call "Snowball Earth." ...

Earth spins, shifts, and now… flips? Our planet’s gymnastics routine continues underneath our feet nearly every day, but researchers at the Helmholtz Centre for Geosciences in Germany recently mapped ...

Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites. One hypothesis has been that our proto-Earth (what the earliest stages of ...

Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics. Researchers have made a new discovery that changes ...

Earth’s magnetic shield is shifting in dramatic ways. New data from ESA’s Swarm satellites show that the South Atlantic Anomaly — a vast weak spot in Earth’s magnetic field — has grown by nearly half ...

A 2021 satellite photo shows off the recently uncovered Yilan crater in China, which is most likely the youngest impact structure on Earth. The incomplete ring is also the largest of its kind and only ...

An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has ...

“It’s all I ever wanted to do,” said Connolly, founding chair and professor in the Department of Geology within the School of Earth & Environment and a research associate in the Department of Earth ...