At NASA's Goddard Space Flight Center, the Parker Solar Probe is lowered into the 40-foot-tall thermal vacuum chamber. The thermal vacuum chamber simulates the harsh conditions that the spacecraft will experience on its journey through space, including near-vacuum conditions and severe hot and cold temperatures. http://www.nasa.gov/sites/default/files/thumbnails/image/5d1_6772.jpg
Ships churning through the Atlantic Ocean produced this patchwork of bright, criss-crossing cloud trails off the coast of Portugal and Spain. http://www.nasa.gov/sites/default/files/thumbnails/image/atlantic_amo_2018016_lrg.jpg
This image shows NASA's InSight lander after it was commanded to deploy its solar arrays to test and verify the exact process that it will use on the surface of the Red Planet. http://www.nasa.gov/sites/default/files/thumbnails/image/pia22204.jpg
On the last Thursday in January, NASA pays tribute to the crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other NASA colleagues who lost their lives while furthering the cause of exploration and discovery. http://www.nasa.gov/sites/default/files/thumbnails/image/39185734754_303823b519_o_1.jpg
On Tuesday, Jan. 23, 2018, spacewalker Mark Vande Hei snapped his own portrait, better known as a “space-selfie,” during the first spacewalk of the year. http://www.nasa.gov/sites/default/files/thumbnails/image/iss054e022843_0.jpg
Layers, probably sedimentary in origin, have undergone extensive erosion in this image from NASA's Mars Reconnaissance Orbiter (MRO) of Shalbatana Valles, a prominent channel that cuts through Xanthe Terra. http://www.nasa.gov/sites/default/files/thumbnails/image/pia22182.jpg
The International Space Station, with a crew of six onboard, is seen in silhouette as it transits the moon at roughly five miles per second on Tuesday, Jan. 30, 2018. http://www.nasa.gov/sites/default/files/thumbnails/image/25126840057_3925961d24_o.jpg
Dr. Lonnie Reid had a long and storied career at NASA's Glenn Research Center. His expertise in the internal flow of advance aerospace propulsion system was nationally recognized and he was influential in recruiting and mentoring the next generation of scientists and engineers. http://www.nasa.gov/sites/default/files/thumbnails/image/grc-1979-c-03640.jpg
Taken from inside Chamber A at the Johnson Space Center in September 2017, this image shows the James Webb Space Telescope as it was undergoing cryogenic testing and the temperature was approximately -369.7 degrees Fahrenheit. http://www.nasa.gov/sites/default/files/thumbnails/image/39110614315_8ea44e1316_o.jpg
Lunar crater is named after former NASA chief exploration scientist. http://www.nasa.gov/sites/default/files/thumbnails/image/wargo_aug2017_m1257490324lrcrop.jpg
NASA astronaut Robert Curbeam works on the International Space Station's S1 truss during the space shuttle Discovery's STS-116 mission in Dec. 2006. http://www.nasa.gov/sites/default/files/thumbnails/image/s116e05968.jpg
The European Space Agency's Columbus module celebrates 10 years of science on the International Space Station. http://www.nasa.gov/sites/default/files/thumbnails/image/9805325555_6315123835_o.jpg
Since the Winter Olympics were first held in 1924, they only have been hosted twice in Asia, both times in Japan. This year the games will find a new home in South Korea, in the northeastern cities of Pyeongchang and Gangneung, visible in this natural-color image acquired on Jan. 26, 2018. http://www.nasa.gov/sites/default/files/thumbnails/image/southkorea_oli_2018026_lrg.jpg
Acting NASA Administrator Robert Lightfoot discusses the fiscal year 2019 budget proposal during a State of NASA address Monday, Feb. 12, 2018. http://www.nasa.gov/sites/default/files/thumbnails/image/40228975041_e8071bfa17_o.jpg
In this image from 2009, NASA astronaut Stephanie Wilson is attired in a training version of her shuttle launch and entry suit. http://www.nasa.gov/sites/default/files/thumbnails/image/jsc2009e207967.jpg
Operation IceBridge, NASA’s longest running survey of the state of polar ice, shattered records in 2017. http://www.nasa.gov/sites/default/files/thumbnails/image/25377431947_1df0c45e26_o.jpg
In June 1975, Marshall management named Clyde Foster to the position of director of the Equal Opportunity Office where he directed and administered a comprehensive program to assure equal opportunity in the conduct of all operations undertaken by the Center and its contractors. http://www.nasa.gov/sites/default/files/thumbnails/image/clyde_foster_2.jpg
See swirling cloud formations in the northern area of Jupiter's north temperate belt in this new view taken by NASA’s Juno spacecraft. http://www.nasa.gov/sites/default/files/thumbnails/image/pia21978-opt.jpg
On Feb. 20, 1962, John Glenn made history by becoming the first U.S. astronaut to orbit the place we call home--planet Earth. http://www.nasa.gov/sites/default/files/thumbnails/image/s62-00955.jpg
A technician works on the European Service Module that will propel the Orion spacecraft in space and provide air, water and electricity for future crews. http://www.nasa.gov/sites/default/files/thumbnails/image/2018-01-esm1.jpg
On June 30, 1967, the U.S. Air Force selcted Maj. Robert H. Lawrence, Jr. for the Manned Orbiting Laboratory, Authorized in August 1965, a program which envisioned a series of mini-space stations in low polar Earth orbit. http://www.nasa.gov/sites/default/files/thumbnails/image/lawrence-with-f104_0.jpg