This sequence of radar images of asteroid 2013 ET was about 693,000 miles (1.1 million kilometers) from Earth.
This radar imagery of asteroid 1998 QE2 and its moon was generated from data collected by NASA's 230-foot-wide (70-meter) Deep…
This collage of radar images of near-Earth asteroid 2005 WK4 was collected by NASA scientists using the 230-foot (70-meter) Deep…
This graphic shows the orbits of all the known Potentially Hazardous Asteroids (PHAs), numbering over 1,400 as of early 2013.
This image, taken on Dec. 31, 2013 by the AIA instrument on NASA's Solar Dynamics Observatory at 171 Angstrom, shows…
On December 30, 1924, astronomer Edwin P. Hubble (1889-1953) announced his discovery of the spiral nebula Andromeda, proving for the…
The second BARREL balloon launch of the Antarctic campaign occurred on Dec. 31, 2013. BARREL's job is to help unravel…
Russian cosmonauts Oleg Kotov, Expedition 38 commander; and Sergey Ryazanskiy, flight engineer, attired in Russian Orlan spacesuits, participate in a…
Sollipulli Caldera is located in central Chile near the border with Argentina in the southern Andes Mountains of South America.
A nighttime view of the United Arab Emirates is featured in this image photographed by an Expedition 38 crew member…
