Around 2.3 billion years ago, the Great Oxygenation Event (GOE) marked a major turning point in Earth’s history. The increase ...

There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did the Earth's mantle begin to vigorously circulate in a process called ...

Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest ...

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New Curtin University research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth's surface and paving the way for complex life to flourish. The key to unlocking ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT-led researchers uncovered rare potassium isotope anomalies in ancient rocks, revealing hidden remnants of proto-Earth. (CREDIT ...

New research suggests that the explosive death throes of massive stars, known as supernovas, may have had dramatic effects on our planet's climate over its distant history. Investigating historic ...

For decades, geologists labeled a billion-year stretch of Earth’s history—from 1.8 to 0.8 billion years ago—as the “Boring Billion.” They assumed not much occurred during the time: mountain building ...

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges.

New scientific theory based on ancient proteins suggests that genes did not arise as we believed and that life could have started elsewhere.