It's Native American Heritage Day. NPR's Steve Inskeep talks to Ned Blackhawk, a professor of History and American Studies at Yale, about the history of the day and what it means to observe it.

They are all innovations that were created by Native Americans thousands of years ago that we still use today. Many Native American contributions to our modern world often go unrecognized ...

This school year, three new Smithsonian lesson plans on the Inka Empire, Native American treaties and the history of 19th-century Cherokee removal became available to K-12 educators. Alex Jamison ...