WASHINGTON (Reuters) - The dreaded dinosaur Allosaurus was the scourge of the Jurassic Period landscape some 150 million years ago, an apex predator just as Tyrannosaurus rex was 80 million years ...

The Morrison Formation is a hotbed of dinosaur fossils. It holds the remains of iconic dinosaurs, such as the armored ...

Babies and very young sauropods—the long-necked, long-tailed plant-eaters that in adulthood were the largest animals to have ...

The Allosaurus dinosaurs were the scourge of the Jurassic period some 150 million years ago, an apex predator just as Tyrannosaurus rex, but new research finds it may have engaged in cannibalism. Most ...

The hunting allosaurus used its head like a baseball bat, knocking its prey sideways before using its teeth to tear away flesh. Allosaurs, which were built like tyrannosaurs only smaller, lived and ...

Infant and juvenile sauropods were the primary food source for fearsome predators during the ...

The mighty T. rex may have thrashed its massive head from side to side to dismember prey, but a new study shows that its smaller cousin Allosaurus was a more dexterous hunter and tugged at prey more ...

If the head-axe theory sounds vanishingly implausible to you, fair enough. But this is a legitimate, if disputed, line of scientific inquiry, supported by some eminent paleontologists, and there are a ...

A new study by Chinese researchers focusing on Allosaurus, a top predator of the Jurassic era, has offered fresh insights into its forearm motions, its hunting strategies and survival challenges of ...

I have an Allosaurus on my arm. Heart of Gold Tattoo artist Jon McAffee put it there a few weeks ago. I think the tattoo—designed for me by friend and artist Glendon Mellow—came out beautifully.