Dinosaurs
It was only about the size of a cocker spaniel, but had an impressive skull.
"Cannibalism seems to be surprisingly common in these guys."
The fossils suggest that this dino was a lot like a big bird.
We can't see it or feel it. But as Lisa Randall says, dark matter may explain a lot about our universe--including the dinos' demise.
WHAT'S HAPPENING
"It’s one of the weirdest turtles that ever lived."
"If you saw one of these things coming at you with its jaws open, it would freak you out of your mind."
Ugrunaaluk kuukpikensis was a duck-billed herbivore that lived in Alaska.
"Big dinosaurs are cool, but when you have one that you could ride around on, like a pony ride at the zoo, people love it."
The newly identified predator with giant claws is the biggest carnivorous dinosaur yet found in Australia.
Or somewhere in between? Scientists aren't really sure.