
Expedition 46-47 Crew Member Tim Kopra Signs a Ceremonial Book

CYGNSS scientists met in Ann Arbor, Michigan, on October 21 and 22, 2015.

University of Michigan Spaceflight Operations Center.

University of Michigan Spaceflight Operations Center.

Although Enceladus and Saturn's rings are largely made up of water ice, they show very different characteristics.

The men in this photo from 1964 are not on a trip through the Arctic wilderness – in fact, they’re…

In July 2015, researchers announced the discovery of a black hole that grew much more quickly than its host galaxy.…

Stennis Space Center Director Rick Gilbrech (seated, center) welcomed Bill Locander, dean of the College of Business at Loyola University…

Katherine Johnson -- former NASA mathematician who calculated the trajectory for Alan Shepard, the first American in space -- received…

This graphic depicts paths by which carbon has been exchanged between Martian interior, surface rocks, polar caps, waters and atmosphere,…