Extinct Mammals
While Mammoths and Saber Toothed Tigers died out long ago, modern mammals are increasingly at risk of extinction due to human intervention. Explore some species that are no longer with us.
What Was the Biggest Dinosaur? Here Are the 4 Best Estimates
T. Rex Didn't Kiss and Tell, But May Have Had Lips
Utahraptor: The Salty Saga of a Killer Dinosaur
Real Life 'Jurassic Park'? Scientists Work to Bring Back Extinct Thylacine
Once Thought Extinct, the Tasmanian Tiger May Still Be Prowling the Planet
Lonesome George Lived to Be 100 Years Old. Genome Sequencing Is Figuring Out How
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The extinction of ice age megafauna and the disappearance of their mammoth-sized poop allowed pumpkins to become what they are today.