Likely evolved from land reptiles that dove into the ocean about 248 million years ago, the ichthyosaur extinction has stumped scientists for years.
Discovery of the world's oldest known snake reveals that it lived among dinosaurs, evolved from lizards, and had four tiny feet.
Super shark Megalodon has a new claim to fame: its teeth were largely comprised of ultra-strong fluoride.
'Jurassic Park' got it all wrong when depicting Velociraptor, suggests a newly identified, closely related dinosaur.
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.
+ Load More