Expedition 47 Flight Engineer Tim Peake of ESA took this striking photograph of the moon from his vantage point aboard…
A layer of charged particles, called the ionosphere, surrounds Earth, extending from about 50 to 360 miles above the surface…
APOD Science APOD APOD: 2016 April 4… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD…
Weighing 405 lbs. (184 kg), this 35-inch (89-cm) pressurized stainless steel sphere measured the density, composition, pressure and temperature of…
APOD Science APOD APOD: 2016 April 3 – Close… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…
APOD Science APOD APOD: 2016 April 2 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …
The Far Ultra Violet Imaging Spectrograph, or FUV, for the NASA ICON mission during a test of the door release…
A team of engineers at the Naval Research Laboratory in Washington, D.C., stands behind the instrument they built -- the…
The front of the Far Ultra Violet Imaging Spectrograph, or FUV, for the NASA ICON mission.
Bright swaths of red in the upper atmosphere, known as airglow, can be seen in this image taken from the…
