Rocks store information from long ago. For instance, their composition can reveal the environmental conditions during their ...

Highly detailed fossils are typically found in shale or other fine-grained sedimentary rocks. These ones? They’re made of iron.

Controversial evidence hints that complex life might have emerged hundreds of millions of years earlier than previously ...

Around 700 million years ago, Earth was a very different planet—gripped by extreme deep freezes during the Cryogenian period. Enormous glaciers, kilometers thick, stretched across vast regions, ...

Over two hundred fifty million years ago, India, Africa, Australia, and South America were all one continent called Pangea. Over the next several million years, this giant southern continent proceeded ...

Wyoming’s “dinosaur mummies,” once thought to preserve fossilized flesh, are actually detailed clay molds formed by microbes ...

Rocks store information from long ago. For instance, their composition can reveal the environmental conditions during their formation. This makes them extremely important in climate research. This led ...

Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...

A new study sheds light on how these reptiles become “mummies” and paints a picture of what these ancient animals looked like ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...

The USGS publishes a geological map that reveals the underground layers of the U.S. and supports environmental education and ...

Researchers from the Massachusetts Institute of Technology analysed chemical fossils from more than 541 million years ago.