A groundbreaking analysis of the ‘Dueling Dinosaurs’ fossil has finally resolved a long-standing mystery in the world of ...

A 410-million-year-old fossil shows ancient lichens were shaping Earth’s surface long before forests took root.

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

In the badlands of eastern Wyoming, the Lance Formation is a trove of prehistoric fossils. And one area in particular — a region less than 10 kilometers (6 miles) across — has provided scientists with ...

In an astonishing discovery, scientists have uncovered a clam species believed to have vanished over 40,000 years ago. Known as Cymatioa cooki, this tiny bivalve was thought to exist only in fossil ...

A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus ...

Scientists confirm CT scanning doesn't interfere with natural decomposition processes, opening new windows into understanding how fossils form. Scientists have found that X-Ray scanning reveals ...

Why do some ancient animals become fossils while others disappear without a trace? A new study reveals that part of the answer lies in the body itself. The research shows that an animal's size and ...

In a world that looked nothing like today’s, long before the rise of the dinosaurs or even the first trees, giant living towers stretched skyward from the Earth’s surface. Some reached heights of 26 ...

During the last Ice Age, the Bay Area was a vast river valley roamed by mammoths, saber-toothed cats and giant sloths. Many of them are still down there in the ground in fossil form, only to be ...

Dive into deep time to discover how fossils form, the ocean's surprising origins, and more. What do fossilized leaves, an asteroid, and Florida sinkholes have in common? Dr. Kirk Johnson is Sant ...