Rock art found in the Amazon rainforest carries ... depictions of what appear to be now-extinct animals, such as the mastodon, a prehistoric relative of the elephant, and giant sloths and Ice ...

Professor Adrian Lister, Museum expert on extinct megafauna, tells the hidden history behind the American mastodon on display in Hintze Hall. When Albert Koch uncovered a graveyard of fossilised ...

LANSING — When it comes to fossils, Michigan missed out on Tyrannosaurus rex and its associates, but the Mitten State came out just fine with its famous Petoskey stones and mastodons.