
The sun emitted a mid-level solar flare on Dec. 4, 2014, an M6.1-class.

APOD Science APOD APOD: 2014 December 4 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

Like most modern research telescopes, the SOFIA telescope uses a mirror to concentrate and focus the incoming light.

How do you keep a telescope stable while flying at 40,000 feet?

This image taken by the Mast Camera (Mastcam) on NASA's Curiosity Mars rover just north of the "Kimberley" waypoint shows…

Dec. 3, 2014-- In the Kennedy Space Center’s Press Site auditorium, agency and industry leaders spoke to members of the…

The launch gantry is rolled back to reveal NASA's Orion spacecraft mounted atop a United Launch Alliance Delta IV Heavy…

NASA operates two Lockheed ER-2 Earth resources aircraft as flying laboratories in the Airborne Science Program under the Agency's Science…

For decades, NASA has worked with the aviation community to develop technologies that help keep air transportation the safest way…

NASA Administrator Charlie Bolden speaks to members of the news media as the Orion spacecraft and its United Launch Alliance…