Discovered near Williston Lake about 1,500km northeast of Vancouver, many of the tracks likely come from allosaurus, a huge theropod dinosaur. Numerous tracks from the tank-like Ankylosaurus have ...

You might call the Jurassic Period meat-eating dinosaur Allosaurus the ultimate big mouth.

If there's one Jurassic Period predator that stands out from the crowd as the most famous of all, it has to be Allosaurus. It's the quintessential Jurassic theropod, the top predator of the ...

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 ...

Scientists say dinosaur fossils unearthed in northeastern Utah in 1990 are the oldest Allosaurus fossils ever found in the state, dating back 155 million years.