A single fossilized footprint, roughly 1 meter long, has pushed paleontologists to redraw the upper limits of dinosaur size ...

Meet animals that grow for a lifetime, sometimes for centuries, and discover why dinosaurs did not, despite their huge size.

For a long time, the prevailing theory was that dinosaurs were already in decline before the Chicxulub asteroid struck Earth ...

The year's top paleontological wonders ranged from a 540-million-year-old penis worm to a decades-old rodent impression.

A rare fossil from Thailand identifies a 25-foot spinosaurid that lived along river systems 125 million years ago.

The discovery of a new dicynodont species suggests early land animals moved across Pangaea later and more widely than ...

A T. Rex missing link, a spike-fossil and a raptor still eating its dinner are just a few of the interesting dinosaur ...

Researchers have identified over 70 new species, from ancient dinosaurs to living mammals and insects preserved in amber ...

A newly uncovered spinosaurid in Thailand reveals a predator that roamed Cretaceous rivers over 125 million years ago.

A large fish-eating dinosaur died beside a river 125 million years ago in Cretaceous Thailand. Now, the remains of this ...

Dinosaur parents cared for their young for only a few months or a year before leaving them to roam alone, research from the ...

In 1989, paleontologist Darren Tanke suggested that similar breaks were the result of mating as one dinosaur mounted the ...