From White Sands and the Great Sand Dunes to Bryce, Bisti, Bonneville, and Petrified Forest, these 10 U.S. landscapes feel almost extraterrestrial, shaped not by lava but by gypsum, salt, sandstone, ...

The latest clues hint at where pterosaurs — the first vertebrates to fly — came from, how they evolved, what they ate and more.

Deepwater rock wrinkles likely formed from chemosynthetic microbes, not just physical processes, reshaping assumptions about ...

Discover 25 surprising facts about Earth's continents and plates! Learn how our planet constantly shifts, from floating ...

This research shows how close examination of even microscopic fossils can reveal large-scale patterns such as ocean ...

Dinosaur eggs sometimes hold surprises. In eastern China, two fossil eggs were found in red sandstone layers and later cut open for study. Instead of tiny bones inside, researchers saw hollow spaces ...

A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells and insect exoskeletons, in trilobite fossils more than 500 million years ...

Scientists believe they’ve deduced why prehistoric Ediacara Biota fossils have remained preserved for millions of years. The fossils of these soft-bodied creatures from before the Cambrian Explosion ...

Scientists still aren’t sure what exactly prehistoric Ediacara Biota fossils tell us about life before the Cambrian Explosion, but at least they now understand why we have a remarkable fossil record ...

The Djadochta Formation in Mongolia is one of the world’s most famous dinosaur fossil sites. Its remarkably preserved remains suggest rapid burial events, yet the exact conditions are still debated.

Around 410 million years ago terrestrial life was relatively simple. There were no forests or prairies—land was largely dominated by slimy microbial mats. The types of plants that would eventually ...