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. The ...

The Pisco Basin is a hot, desert area famed for frequent discoveries of ancient marine species and was an extensive sea in ancient times, making it a reservoir of marine fossils.

The fossils at John Day span 40 million years and offer one of the richest evolutionary records of the Cenozoic Era, including prehistoric alligators, bears, dogs, pigs, horses, cougars and even ...