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Research on the remains of mastodons, a distant relative of modern elephants that vanished after the end of the last ice age, is revealing new evidence for the role of mankind in the...
Approximately 201 million years ago, the Triassic-Jurassic mass extinction killed off a slew of huge predators, including hefty beasts that looked like crocodiles and enormous armadillos,...
The space rock that hit Earth 65m years ago and is widely implicated in the end of the dinosaurs was probably a speeding comet, US scientists say.Researchers in New Hampshire suggest the...