NASA TV to Air US Spacewalk, Briefing

On Sept. 1, two NASA astronauts will spacewalk outside the International Space Station for the second…

A Moon’s Contrasts

Dione reveals its past via contrasts in this view from NASA's Cassini spacecraft.

NASA Selects University Partners for Small Spacecraft Collaboration

NASA Selects University Partners for Small Spacecraft Collaboration

Fuselage of NASA’s Future X-57 Maxwell All-Electric Aircraft

As NASA celebrates National Aviation Day, the agency's innovators are working to transform air transportation to…

NASA Continues Progress on the Journey to Mars with Latest RS-25 Rocket Engine Test

NASA engineers successfully conducted a development test of the RS-25 rocket engine Thursday, Aug. 18 at…

Plugging Away Inside Massive SLS Fuel Tank: Welders Complete Final Plug Fusion Welds on SLS Liquid Hydrogen Tank

Welders inside a large liquid hydrogen tank for NASA's Space Launch System at the Michoud Assembly…

NASA Prepares to Launch First U.S. Asteroid Sample Return Mission

NASA is preparing to launch its first mission to return a sample of an asteroid to…

Supernova Ejected from the Pages of History

A new look at the debris from an exploded star in our galaxy has astronomers re-examining…

“Kitchen Smoke” Molecules in Nebula Offer Clues to the Building Blocks of Life

Using data collected by NASA’s Stratospheric Observatory for Infrared Astronomy (SOFIA) and other observatories, an international…

Lake Powell From the Space Station’s EarthKAM

The remotely controlled Sally Ride EarthKAM aboard the International Space Station acquired this photograph on July…