This dinosaur’s skull was light as air but its mouth was packed with power—and a unique ability to quickly grow teeth. Here’s ...

A dinosaur fossil footprint found about 50 years ago is from a plant-eating dinosaur – not a huge meat-eating dinosaur as previously thought, according to a new study.

In life, the dinosaur was a bit smaller than a Tyrannosaurus rex, at about 30 to 33 feet in length. It had a unique nasal ...

This 220 million-year-old dinosaur from the Triassic period wasn't a threatening beast out for blood. It was a four-legged, long-necked, cuddly-looking and gentle vegetarian friend.

SALT LAKE CITY, UTAH — An unassuming lump found on a Sussex beach in 2004 contains the first known fossilized brain tissue from a dinosaur. The 133-million-year-old fossil belongs to a relative ...

Paleontologists combine biology, chemistry, and geology to understand the billions-year history of life on Earth. In Fossil ...

The casts of the ancient animals themselves are plastic mold recreations made from actual dinosaur fossils, many of which Hankla himself helped dig up in rural Wyoming over the years. Hankla's ...

Mould and cast fossils. Sometimes ground water dissolves the buried bone or shell, leaving behind a bone- or shell-shaped hole or imprint in the sediment. This is a natural mould. If water rich in ...

Chicago's Field Museum on Friday unveiled a 46-foot cast of a Spinosaurus skeleton. The Spinosaurus is believed to be the largest predatory dinosaur to have existed.

THE HUNT FOR DINOSAUR FOSSILS IN NORTH AMERICA BEGAN BY ACCIDENT. ... there are an very few actual fossil specimens, and casts have historically raised awareness of lesser known species.

NEW YORK − The most expensive dinosaur fossil ever sold will have a temporary home in Manhattan while on display at the American Museum of Natural History beginning Sunday.. The nearly complete ...