A sweeping analysis of 7,000 fossils suggests warm-weather loyalty kept crocodilians in habitable refuges after the Chicxulub impact 66 million years ago.
A tiger-sized megaraptoran with three-foot claws suggests Europe hosted some of the Cretaceous's strangest predators, researchers say.
A fossil feather from the age of dinosaurs offers a new clue to why bird lineages outlived the asteroid impact that killed the non-avian dinosaurs.
New isotopic evidence from Yukon fossils shows the extinct cat Miracinonyx was no cheetah, but a puma cousin with a surprisingly versatile diet.
Fossil bite marks reveal giant crocodylians, not mammals, ruled ancient South American ecosystem.
A synthesis of the latest breakthroughs in archaeology, paleontology, and biology, revealing hidden charcoal in cave paintings, human DNA in ancient art, and more.