Remembering space shuttle Columbia, 20 years later

On a sleepy winter morning in 2003, most Americans had no idea that seven astronauts were gliding back to Earth after more than two weeks in space. But the whole nation would soon know that space shuttle Columbia was not going to make it home.

First Native American woman in space steps out on spacewalk

Nicole Mann, a Marine colonel and test pilot, rocketed into orbit last fall with SpaceX, becoming the first Native American woman in space. She is a member of the Wailacki of the Round Valley Indian Tribes in Northern California.