dinosaur

The rain-free conditions exposed over 60 dinosaur tracks on one path, according a Texas state park superintendent.
Researchers have uncovered a new species of tyrannosaur in Southern Alberta. At 79.5 million years old, it is one of the oldest tyrannosaur species discovered in North America.
Meraxes gigas was described as a meat-eating, Tyrannosaurus rex-like dinosaur in a new study.
The Gorgosaurus skeleton will highlight Sotheby’s natural history auction on July 28, the auction house said.
Nicolas Cage just helped return a stolen dinosaur skull... and no, this isn't the plot of National Treasure 3 (yet...)
Fossils found in Chile showed the species had a “really unusual weapon” in its tail, said scientists.
The eggs and fossilized bones are the oldest known evidence of "complex social behavior" among dinosaurs, according to scientists.
"I never hear much about nature or dinosaurs or things like that," wrote a very disgruntled dino-lover named Leo.
The Tyrannosaurus rex and Triceratops horridus known as the dueling dinosaurs were buried together 67 million years ago on a Montana hillside.
Autumn in Germany, Mercury in transit and an animatronic dinosaur round out this week's best images.