
Feb. 25, 2013 — Smoke billows from the SpaceX Falcon 9 rocket’s nine first-stage Merlin engines during a test firing…

Feb. 28, 2013 — The SpaceX Falcon 9 rocket approaches the launch pad at Launch Complex 40 for a test…

NASA’s Jon Cowart talks to media about the progress of the agency’s Commercial Crew Program CCP and its partners in…

In 2012, observations from the Van Allen Probes showed that a third belt can sometimes appear.

A cutaway model of the radiation belts with the 2 Van Allen Probes satellites flying through them.

NASA’s Fermi Gamma-ray Space Telescope orbits our planet every 95 minutes, building up increasingly deeper views of the universe with…

J-2X rocket engine testing continues at NASA’s Stennis Space Center in Mississippi with the second in a series of tests…

J-2X rocket engine testing continues at NASA’s Stennis Space Center in Mississippi with the second in a series of tests…

NASA is designing and building the Stage Adapter that will attach the Orion crew vehicle to the United Launch Alliance…