A study published this week showed a pair of tyrannosaurus rex fossils that are the sort that've never been found before. At least, not by… ...

An unprecedented fossil of a baby dinosaur curled up perfectly inside its egg is shedding more light on the links between dinosaurs and birds.

If this little birdie strikes you merely as cute, have another look at the feet, with flesh-ripping claws an eagle might covet. And the matching claws at the ends of its … fingers. Wait, wait ...

However, baby bones tend not to preserve well, which makes it difficult to know how ancient Italians in Tuscany treated their deceased infants.

Sloths may be cute from afar, but they “have extremely powerful jaws” and “can break bones with their teeth,” explained zoologist and Sloth Institute director Sam Trull.

Baby dinosaur bones are small and fragile and are only very rarely preserved as fossils, making this a very lucky find.