Megalodon Extinction May Have Been Driven by Hungry Great White Sharks The largest shark that ever lived may have vanished in part because the comparatively smaller great white had a taste for the same prey.
Dinosaurs Started Out Hot, Then Some of Them Turned Cold Scientists directly measured the metabolic rate of extinct animals, which revealed that some giant dinosaurs became coldblooded.
Tooth of an Ancient Girl Fills Gap in Human Family Tree A molar discovered in a cave in Laos shows where the enigmatic Denisovans could have interbred with the ancestors of modern humans.
Started Out as a Fish. How Did It End Up Like This? A meme about the transitional fossil Tiktaalik argues that although we did emerge from the sea, we aren’t doing just fine.
The ‘Ultimate Bird’ Once Prowled the Seas of a Young Japan Researchers described Annakacygna, a family of flightless ancient swans that were filter-feeders.