These fearsome predators truly were enormous — with the bone-crushing bite power to match.
Genetic details from the animal, named Yuka, give a snapshot into its last moments alive. The mammoth had been preserved in permafrost for 40,000 years.
Decades of aboveground nuclear weapons tests, starting in the 1950s, lightly littered the planet with toxic fallout, which appears to have sickened some people.
The fossils’ fabulous colors arise from delicate assemblies of crystal plates.
This field of study does more than just organize living things. It also reflects the history of life's evolution.
Now known as Nanotyrannus, this mini dino could have roamed the late Cretaceous alongside T. rex.
The corpses had been slow-dried over fires 12,000 years ago — millennia before Egyptians began mummifying their dead.
Fossilized footprints can help calculate how fast dinosaurs moved. But tests with guinea fowl show that past estimates might not be right.
Birds don’t look like the scaly giants of Jurassic World. But fossils are revealing how these modern-day dinosaurs descended from ancient reptiles.
