A fossil jawbone discovered in 1899 in South Wales has been reclassified as a new dinosaur species, Newtonsaurus.

Despite Earth's most devastating mass extinction wiping out over 80% of marine life and half of land species, a group of early reptiles called archosauromorphs not only survived but thrived, venturing ...

A fossil found in Argentina shows that up to the very end of the age of dinosaurs, they faced serious competition from other reptile species. A life reconstruction of Kostensuchus, a large, ...

Dinosaurs had such an immense impact on Earth that their sudden extinction led to wide-scale changes in landscapes—including ...

Newtonsaurus cambrensis is very large, larger than most, if not all, contemporary predators. For a therapod dinosaur from the ...