The effects of California's severe multiyear drought are seen in this pair of images acquired by NASA's Terra spacecraft of the area northeast of Madera, in the Sierra Nevada Moutains foothills between Yosemite National Park and the San Joaquin Valley
Limbed robot RoboSimian was developed at NASA's Jet Propulsion Laboratory, seen here with Brett Kennedy, supervisor of the JPL Robotic Vehicles and Manipulators Group, and Chuck Bergh, a senior engineer in JPL's Robotic Hardware Systems Group.
This image from NASA's Terra spacecraft shows Baektu Mountain, an active volcano on the border between North Korea and China. Rising to 2744 m, its summit caldera is filled with a crater lake, Heaven Lake.
The launch gantry, surrounding the United Launch Alliance Delta II rocket with the Orbiting Carbon Observatory-2 (OCO-2) satellite onboard, is seen at Space Launch Complex 2, Sunday, June 29, 2014, Vandenberg Air Force Base, Calif.
Hours after the June 28, 2014, test of NASA's Low-Density Supersonic Decelerator over the U.S. Navy's Pacific Missile Range, two members of the Navy's Explosive Ordinance Disposal swim toward the test vehicle.
The saucer-shaped test vehicle for NASA's Low-Density Supersonic Decelerator (LDSD) will undergo a series of events in the skies above Hawaii, with the ultimate goal of testing future landing technologies for Mars missions.
This false-color image of Peru's Ubinas volcano was acquired on April 14, 2014, by NASA's UAVSAR. Located about 100 miles (160 kilometers) from the city of Arequipa, Ubinas is Peru's most active volcano.
This image from NASA's Terra spacecraft shows the Kerguelen Islands (also known as the Desolation Islands), which are part of the French Southern and Antarctic lands. The islands are among the most isolated places on Earth.