Astronomers have discovered evidence for thousands of black holes located near the center of our Milky Way galaxy using data from NASA's Chandra X-ray Observatory. http://www.nasa.gov/sites/default/files/thumbnails/image/sgra_swarm_lg.jpg
NASA astronauts (from top) Chris Cassidy and Bob Behnken work on U.S. spacesuits. http://www.nasa.gov/sites/default/files/thumbnails/image/iss063e030609.jpg
In this image NGC 7027 resembles a jewel bug, an insect with a brilliantly colorful metallic shell. http://www.nasa.gov/sites/default/files/thumbnails/image/stsci-h-p2031d-f-1764x1249.png
On June 21, 2020, as the International Space Station orbited over Kazakhstan and into China, an external high-definition camera captures this picture of the solar eclipse shadowing a portion of the Asian continent. http://www.nasa.gov/sites/default/files/thumbnails/image/iss063e031761.jpg
This composite image, made from six frames, shows the International Space Station, with a crew of five onboard, in silhouette as it transits the Sun. http://www.nasa.gov/sites/default/files/thumbnails/image/50041214891_87bdab628c_o.jpg
We don’t see the beautiful spiral arms of galaxy NGC 5907 in this Hubble image because we are viewing it edge-on, like looking at the rim of a plate. It is for this reason that NGC 5907 is also known as the Knife Edge galaxy. http://www.nasa.gov/sites/default/files/thumbnails/image/potw2025a.jpg
Spacewalkers Bob Behnken (left) and Chris Cassidy (right) in the Quest Airlock on June 26, 2020, before beginning a spacewalk to replace batteries on one of two power channels on the International Space Station. http://www.nasa.gov/sites/default/files/thumbnails/image/ebir4gdxsaqaxnu.jpg
June 30 is Asteroid Day. http://www.nasa.gov/sites/default/files/thumbnails/image/2166_ds1palomar_opt.jpg
On June 26, 2020, NASA astronauts Bob Behnken and Chris Cassidy conducted the first of two spacewalks to swap batteries and upgrade power systems on the International Space Station. http://www.nasa.gov/sites/default/files/thumbnails/image/iss063e033443.jpg
Hitching a ride on the Mars Pathfinder mission, the Sojourner rover arrived on Mars on July 4, 1997. http://www.nasa.gov/sites/default/files/pathfinder_full.jpg
NASA astronaut Robert Behnken works during the Wednesday, July 1, 2020, six-hour and one-minute spacewalk to swap an aging nickel-hydrogen battery for a new lithium-ion battery on the International Space Station's Starboard-6 truss structure. http://www.nasa.gov/sites/default/files/thumbnails/image/iss063e034203.jpg
A multitude of magnificent, swirling clouds in Jupiter's dynamic North North Temperate Belt is captured in this image from NASA's Juno spacecraft. http://www.nasa.gov/sites/default/files/thumbnails/image/pia22692_hires.jpg
Technicians at NASA’s Kennedy Space Center in Florida recently finished meticulously applying more than 180 blocks of ablative material to the heat shield for the Orion spacecraft. http://www.nasa.gov/sites/default/files/thumbnails/image/ksc-20200702-ph-ilw01_0039.jpg
Space Shuttle Atlantis' STS-135 mission launched from Launch Pad 39A at Kennedy Space Center on July 8, 2011 and was the last space shuttle mission. http://www.nasa.gov/sites/default/files/thumbnails/image/18708875244_52c82cd0ce_o.jpg
An electric Hall thruster, identical to those that will be used to propel NASA's Psyche spacecraft, undergoes testing at NASA's Jet Propulsion Laboratory. http://www.nasa.gov/sites/default/files/thumbnails/image/pia23879-1041.jpg
A young star's unseen, planet-forming disk casts a huge shadow across a more distant cloud in a star-forming region. http://www.nasa.gov/sites/default/files/thumbnails/image/50045549941_b8aa2c8417_o.png
In this image, NASA's Mars 2020 Perseverance rover waits to be lifted onto its Atlas V launch vehicle at the Cape Canaveral Air Force Station in Florida on July 7, 2020. http://www.nasa.gov/sites/default/files/thumbnails/image/pia23984-16.jpg
The crew snapped this starry nighttime shot of Rio de Janeiro and surrounding cities on the Brazilian coast, as the International Space Station orbited above São Paolo. http://www.nasa.gov/sites/default/files/thumbnails/image/iss063e039001.jpg
On July 17, 1975, something momentous happened: two Cold War-rivals met in space. When their respective spacecraft rendezvoused and docked, a new era of cooperative ventures in space began. http://www.nasa.gov/sites/default/files/images/260346main_astp_hatch_full_full.jpg
At 9:32 a.m. EDT on July 16, 1969, the Apollo 11 mission launched via a Saturn V rocket on a mission to the Moon. http://www.nasa.gov/sites/default/files/thumbnails/image/apollo_11_launch_-_gpn-2000-000630_1.jpg