A new study shows how bird wrists evolved from those of their dinosaur predecessors.
A newly assembled carnivorous dinosaur family tree includes some of the toothiest and most ferocious dinosaurs of all time.
Birds didn't evolve in one fell swoop from their dinosaur ancestors, suggests a newly constructed dinosaur family tree.
The meteorite that killed off the dinosaurs 66 million years took a toll on evergreen trees.
Titanosaurian remains are found on every continent but history outside of South America is less well known.
T. rex may still be the king of dinosaurs, but new fossils suggest Spinosaurus had star power of its own and sported a dramatic sail.
Prevalence of the dinosaur's skin in fossil record may have more to do with texture, toughness than population density or habitat.
New research finds that nighttime behavior may have evolved 100 million years earlier than mammals did.
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