Only 20,000 lived at any given time, though.
New species get identified and named every year, even though you've probably never heard of them.
One of 15 in the world
A paleontologist examines the evidence.
This bit of tail is the first hard evidence of a T. rex hunt in action
Step one: Remove head.
“First, we’re assuming that the T. rex won’t just eat the person, right?” asks Jack Conrad, a vertebrate paleontologist at...
Researchers confirm what has been long suspected: the fearsome predators are indeed closer to chickens than lizards
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