Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus ...

Scientists think they know where the missing pieces to the puzzle of the evolution of dinosaurs could be found.

UW-Madison geology museum scientist Dave Lovelace’s 21st birthday was a bit unconventional. The Casper, Wyoming, native who ...

A remarkable plesiosaur fossil reveals that the extinct reptiles had scales like modern sea turtles, unlike the ichthyosaurs ...

A newly analysed fossil skull settles a palaeontological debate over Vegavis iaai, confirming it as a relative of ducks and geese that lived 69 million years ago ...

The traits that dinosaurs and pterosaurs evolved at small size, when the animals were squeaking by in a world filled with more imposing reptiles, may have allowed them to survive the end-Triassic ...

Many think dinosaurs first emerged on land well south of the equator that now forms part of Argentina and Zimbabwe, but they may have actually arisen in tougher conditions near the equator ...

The first dinosaurs may have evolved near the equator, and not in the southwest of the supercontinent Gondwana, as ...

By assessing the fossil record and the dinosaur family tree, the researchers’ models suggest that the first dinosaurs evolved ...

"Dinosaurs started small, playing a minor role in their ecosystems during the Triassic," Heath said. "They lived in the shadows of bigger, more dominant animals. However, dinosaurs had some ...

WASHINGTON, Jan 23 (Reuters) - Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus ...