Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

A rare fossil unearthed in Mongolia's Gobi Desert has led to the identification of a new dinosaur species Duonychus ...

Some 66 million years after the Chicxulub asteroid impact kickstarted the Cretaceous–Paleogene (K ... an area of rock associated with the end-Cretaceous period. Initially surveying a 77-mile ...

S ixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico ...

The new Argentine dino might give us clues to what the world was like before the asteroid wiped out their kind.

During the Cretaceous Period, this region was teeming with dinosaurs ... other researchers identify the extinction patterns at the end of the Cretaceous in South America and how they related ...

scientists led by Gary Kinsland from the University of Louisiana at Lafayette found evidence of this geologic trauma in the form of 52-foot-tall “megaripples” located one mile underground—an area of ...