Meet Sarcosuchus - one of the largest croc-like creatures to ever live, and a true dinosaur killer. Nicknamed "SuperCroc," this prehistoric predator stretched over 30 feet long and weighed as much as ...

A Montana fossil reveals that Nanotyrannus, once thought to be a young T. rex, was actually a full-grown predator and it's ...

Even the apex predator of the Late Cretaceous had to watch its back. This investigation reveals the animals — from horned ceratopsians to massive ankylosaurs — that made hunting risky for T. rex. A ...

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 ...

NEW YORK -- Researchers have unearthed a spooky pair of dinosaur mummies that seem to have been preserved in an unexpected way. These dinosaur remains are different from the wrapped mummies of Egypt ...