New University of Maryland research suggests that dinosaur parenting strategies helped transform the Mesozoic world, as “latchkey kid dinosaurs” spread into ecological niches their parents left ...

Mosasaurs are best known as fearsome marine reptiles that ruled the oceans at the end of the dinosaur era. But new research suggests these giant predators were not limited to the sea. Evidence from a ...

Scientists from several countries have determined that mosasaurs, Cretaceous-era marine reptiles, once thrived in freshwater ...

And it was huge. The ancestor of today’s 20-foot great white shark was thought to be about 26 feet long, the authors of a ...

A giant marine predator, once believed to roam only the seas, may have also inhabited ancient rivers 66 million years ago.

A remarkably well-preserved dinosaur fossil has arrived at the Smithsonian’s National Museum of National History. According ...

New research has overturned decades of uncertainty by showing that Nanotyrannus was a fully grown predator, not a juvenile T. rex.

Astronomers discovered a new exoplanet hidden in decade-old data. Planet is bound to binary stars, which orbit each other every 18 days. Planet is six times closer to its stars than other directly ...

Emerging research suggests that dinosaur babies didn’t just grow into adults—they transformed their environments.

A new dome-headed dinosaur speices found in Montana, Brontotholus harmoni, reveals unexpected clues about their evolution.

Discover the extraordinary prehistoric giants – from mega-sloths to monster sharks – that once made today’s animals look ...

When this researcher first laid eyes on a fossil, she instantly realized it was a new dinosaur species that had likely died a ...