American mastodons migrated many times across thousands of miles up and down the North American continent over 800,000 years due to climate change, before going extinct 11,000 years ago, according to ...

It’s a venerable American tradition, this mix of science, show business and big hairy pachyderms. The same happy combination drives a new exhibition, “Mammoths and Mastodons: Titans of the Ice Age,” ...

Nearly every state in the U.S. has either an official dinosaur or fossil, and yes, that includes Michigan. Michigan Senate Bill 397, passed in March 2002, designates the Mammut americanum as the state ...

Iowa researchers say they’ve excavated the state’s first well-preserved mastodon, a roughly 13,600-year-old specimen that was found in the southern part of the state. The University of Iowa’s Office ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. INDIANAPOLIS — The mastodon is breaking down ...

At more than 10 feet tall and weighing over 11 tons, the American mastodon was found exclusively in the U.S. during the Pleistocene era – its bones being unearthed in every state of the lower 48. To ...

Excavators unearth a 13,600-year-old mastodon skull from an Iowa creek. (University of Iowa Office of the State Archaeologist) Iowa researchers say they’ve excavated the state’s first well-preserved ...