Dinosaur asteroid' wrought springtime devastation ... "So, the best idea that we have is that this is an animal that died more or less instantaneously." Artwork: The thinking is that a water ...

Under that theory, a few ancient species survived the impact and gave rise to a “big bang” of modern bird evolution only after the rest of the dinosaurs died. For years the debate was as ...

Dinosaurs that failed to adapt went extinct. But then 66 million years ago, over a relatively short time, dinosaurs disappeared completely (except for birds). Many other animals also died out, ...

A newly discovered dinosaur species, Lishulong wangi, has been identified from a well-preserved skull found in southern China ...

According to scientists who maintain that dinosaur extinction came quickly, the impact must have spelled the cataclysmic end. For months, scientists conclude, dense clouds of dust blocked the sun ...

Fossils are bones, footprints or even plants buried deep in the ground, from when dinosaurs died millions of years ago. Mary Anning lived between 1799 and 1847. She discovered some of the first ...

Did dinosaurs lose their dominance suddenly or gradually? Some scientists think the answer lies locked within the remnants of long-dormant volcanoes. Massive beds of ancient lava found around the ...

Unlike bones, which needed to be covered quickly once a dinosaur died to preserve as much of the animal as possible, tracks first needed to be baked hard by the Sun. This would have taken anywhere ...