A beautifully preserved armoured dinosaur found in an Alberta oilsands mine died on a full stomach. The "extraordinarily rare" preservation of its last meal offers new clues and surprises about how ...

The heaviest known dinosaur is thought to be Argentinosaurus, a supermassive titanosaur that lived during the Cretaceous period. It may have weighed up to 180,800 pounds (82,000 kilograms).

The footprints were created some 115 million years ago, when what is now a Central Texas suburb was a beach on the Western Interior Seaway.

The world’s northernmost dinosaur discovery is shedding light on prehistoric life in the far north during the Cretaceous period, according to a new study published in the journal Arctic. A ...

Scientists used high-resolution aerial imagery captured by drones to survey land at Upper Cretaceous (Cenomanian) Dakota ...

A fossil found in southwest Germany in 1978 has been deemed to represent a new species of marine reptile known as a ...

Fossilized dinosaur teeth can reveal a lot more than just how these creatures ate and who they were related to – they can ...

Researchers have identified a "mating arena" at Dinosaur Ridge where male theropods gathered during the Cretaceous period to ...

The researchers looked at the 18 million years before the asteroid impact that ended the Cretaceous Period and the 4 million years afterward at the outset of the Paleogene Period, when mammals ...

Prior to the asteroid impact at the end of the Cretaceous period, it has been long indicated by fossil discoveries that dinosaurs were shrinking in numbers and diversity, reported Live Science.

Differences in the skulls of carnivorous dinosaurs suggest some dinosaurs ripped flesh while others crushed bones ...

In the dinosaur's belly, "there were these massive concentrations of what looked like rocks," Brown said. Those were in a mass about the size of a soccer ball, and it appears they were gastroliths ...