Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics.

Scientists have long thought that tectonic plates needed to dive beneath each other to create the chemical fingerprint we see ...

The study also provides a new approach to solving one of the biggest enduring scientific mysteries: when did plate tectonics ...

About 4 billion years ago, Earth began to show signs of the conditions that allowed the first cells to take hold and populate ...

"Given how rare such evidence is due to [Earth's] geological recycling processes, this is a major breakthrough in understanding early Earth." Geologists have discovered the world's oldest known ...

It was a respectable tenure, but the world’s oldest known meteorite site is no longer western Australia’s 2.2 billion-year-old, 43-mile-wide Yarrabubba crater. Researchers at Curtin University ...

Apr. 1, 2025 — More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has ... World's Oldest Impact Crater Found ...