Red blood cells and collagen fibers from bone are preserved in 75-million-year-old dinosaur bones.
Some animals are warm-blooded, while others are cold-blooded. What sets them apart, and what advantages does each kind have over the other?
The roach looked like a sci-fi monster and was a fearsome night-time hunter.
Animals living during the Jurassic in China could have looked up and seen an impressive sight: a bat-like clawed dinosaur soaring through the skies.
T. rex had some surprising relatives, including a new dinosaur nicknamed The Platypus that loved plants instead of meat.
Researchers have new ideas in mind about the way in which baby mosasaurs came into the world.
A tall, upright beast with slicing teeth was North America's top predator before the reign of dinosaurs.
Millions of years before LSD and rock and roll, dinosaurs munched on psychedelic fungus, a new study suggests.
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