The extinction of dinosaurs reshaped rivers, forests, and landscapes—changes still recorded in the rock layers across North ...

Microbes - alive and thriving -- have been found sealed within a fracture of 2-billion-year-old rock beneath Earth's surface.

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In Jezero Crater’s Bright Angel formation, Perseverance has found rocks rich in organic molecules and minerals linked to ...

Until recently, we could only study geology by looking at rocks on Earth and the Moon —well, and the rare meteor or two that ...

Clues to our planet’s dramatic past are in the layers of rocks we might overlook. A great guide shows why they deserve our ...

The composition of crystals in volcanic rocks changes with their ages in ways that correlate with the Solar System’s ...

NEW YORK — Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt has long been known for its ancient rocks — plains of ...

Some are no bigger than pebbles, while others stretch for miles, silently orbiting the sun in the asteroid belt or zipping ...

Earth has existed for 4.54 billion years, and during that time, our planet has undergone a number of violent transitions. This makes it difficult for researchers to find out what happened during Earth ...