Prehistoric Mammals Didn’t Need Dinosaur Die-Off to Thrive, Say Scientists
A new study finds that mammals were thriving 10 to 20 million years before dinosaur extinction.
A new study finds that mammals were thriving 10 to 20 million years before dinosaur extinction.
Atopodentatus used its peg teeth and bizarre jaw to scrape plant matter off rocks on the sea floor.
Scientists found the teeth of ancient capuchin relative during the expansion of the Panama Canal.
Fossils from a baby Rapetosaurus krausei suggest the titanosaur would stay the same shape throughout its life, even as it grew to the size of a bus.
When the mass extinction began, Lystrosaurus shortened its lifespan—and its mating cycle.
A new exhibit at the American Museum of Natural History argues that birds are just another kind of dinosaur.
The monster’s weird fossil remains have puzzled paleontologists for nearly 60 years.