Ancient carbon surges depleted ocean oxygen and stalled marine life, and new research warns today’s emissions could cause a ...

The world's largest-known dinosaur mating display area may have been found hiding in plain site at Colorado's Dinosaur Ridge ...

Enigmacursor darted around North America in the Late Jurassic 145-150 million years ago and its skeleton now be on display in ...

A new species of dinosaur has been discovered.Researchers say the Enigmacursor mollyborthwickae was a dog-sized creature that ...

Yale University ecologists reveal a lizard lineage that rode out the dinosaur-killing asteroid event with unexpected ...

The speedy, plant-eating creature lived in what is now Colorado roughly 150 million years ago, and its skeleton went on ...

Scientists have discovered a new species of dinosaur — one that was dog-sized and roamed what is now the United States around ...

A new species of dinosaur the size of a Labrador retriever has been identified after scientists managed to untangle a fossil ...