How do scientists study the behavior of dinosaurs, who died 65 million years ago? After all, dinosaur fossils are rare enough ...

"Many of them had feathers, [so] they could insulate themselves just like mammals can," Brusatte said. In addition, some ...

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 ...

Non-bird dinosaurs lived between about 245 and 66 million years ago ... Thick layers of sediment built up at the bottom of these seas as single-celled algae died and their skeletons fell to the seabed ...

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 ...

Researchers on Monday announced that the "grandmother" grape of all grapes originated in what is now Latin America − and as a result of the dinosaurs' extinction about 66 million years ago.

Less familiar is the tale of the dinosaurs that were left behind. What is it about birds that allowed them to survive when all other dinosaurs died out? Watch our animation. By the start of the ...

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 ...

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 ...