樱桃视频

Stegosaurus' bony plates may reveal dino's sex

Tyrannosaur skeleton shows signs of combat, cannibalism

Boneworms dined on ancient sea serpents

Tyrannosaur skull bears scars of fierce dino battle

Ancient 4-eyed predator wielded wicked toothy claws

New species of prehistoric 鈥榮uper salamander鈥� discovered

Car-size salamander with toilet-seat head ruled ancient rivers

Weird 'water tongue' lets fish feed on land

9-foot 'butcher crocodile' likely ruled before dinosaurs

17-million-year-old whale skull helps place humanity's first steps