Geology

A new study suggests that virtually all of Earth’s life-giving carbon could have come from a collision about 4.4 billion years ago between Earth and a Mercury-like planet.

New clues challenge a long-held notion of what moves what deep under the sea.

Bombardment triggered atmospheric warming capable of sustaining liquid water.

New work sheds light on the history of Earth's magnetic field, an incredibly important geologic occurrence without which life as we know it would not exist.

New research uses bubbles trapped in 2.7 billion-year-old rocks to show that air at that time exerted at most half the pressure of today’s atmosphere.

A new study reveals that volcanic activity may be responsible for climatic shifts from hot to cold over tens and hundreds of millions of years throughout much of Earth's history.

Diamonds found in Johannesburg more than 80 years ago reveal how the ancient Earth was shaped.

New measurements show recent intensity shift trending back to average.

Researchers have found that rocks from Baffin Island in Canada contain evidence that Earth’s water was a part of our planet from the beginning.

A study of zircons from a gigantic meteorite impact in South Africa casts doubt on the methods used to date lunar impacts.