
NASA astronaut Karen Nyberg is pictured near fresh fruit floating freely in the Unity node of the International Space Station.

Planeterrella demonstrating the Earth’s Northern Lights. The color of the aurora is purple because of the nitrogen in the ambient…

Langley scientist and an intern spent the summer building Planeterrella, which recreates Earth’s Northern Lights and the auroras from several…

Members of NASA’s newest astronaut class pose with an Orion capsule at NASA’s Johnson Space Center in Houston on Tuesday,…

NASA Administrator Charlie Bolden speaks at a special media-day program at the Johnson Space Center.

The eight-member 2013 class of NASA astronaut candidates poses for a group portrait.

Andrew R. Morgan, one of the eight-member 2013 class of NASA astronaut candidates, speaks to a special media-day crowd on…

NASA Administrator Charlie Bolden speaks at a special media-day program at the Johnson Space Center.

Jeremy Desel of KHOU-TV in Houston asks a question of the 2013 class of NASA astronaut candidates at a special…

NASA Administrator Charlie Bolden speaks at a special media-day program at the Johnson Space Center.