Argentinian researchers have described a Carnian theropod with features previously thought to belong only to much later ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction.

A fresh analysis of a site in New Mexico provides a glimpse into the final days of the dinosaurs, showing their diversity ...

A dinosaur dubbed one of the “strangest” ever found boasted an elaborate armory of long bony spikes and a tail weapon, according to findings published in the science journal Nature. Spicomellus, which ...

A fossil site in New Mexico with numerous dinosaurs, including the gargantuan Alamosaurus, dates to shortly before the ...