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
On July 21, 1969, command and service module pilot Michael Collins photographed this close-up view of the docking target on the Apollo 11 Lunar Module from the Command Module. http://www.nasa.gov/sites/default/files/thumbnails/image/as11-36-5365.jpg
NASA is developing technologies to send humans to the Red Planet. http://www.nasa.gov/sites/default/files/thumbnails/image/2-heat_shield.jpg
Comet NEOWISE streaked across the sky above the tree line of Lone Pine Lake, located on the Mount Whitney Trail in the Eastern Sierra Nevada Mountains in California. http://www.nasa.gov/sites/default/files/thumbnails/image/afrc2020-0073-1.jpg
This image, taken on July 24, 1969, shows the Apollo 11 command codule and the Mobile Quarantine Facility (MQF) are photographed aboard the USS Hornet http://www.nasa.gov/sites/default/files/thumbnails/image/s69-40758.jpg
Carried by a balloon the size of a football stadium, ASTHROS will use a telescope to observe wavelengths of light that aren't visible from the ground. http://www.nasa.gov/sites/default/files/thumbnails/image/high-altitude-balloon-1041.jpg
This image of Jezero Crater, the landing site for the Mars Perseverance Rover, was taken by instruments on NASA's Mars Reconnaissance Orbiter. http://www.nasa.gov/sites/default/files/thumbnails/image/jezerocrater.jpg
A United Launch Alliance Atlas V rocket with NASA’s Mars 2020 Perseverance rover onboard is seen as it is rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex 41. http://www.nasa.gov/sites/default/files/thumbnails/image/50163611512_570c85f8a7_k.jpg
A United Launch Alliance Atlas V rocket with NASA’s Mars 2020 Perseverance rover onboard is seen illuminated by spotlights on the launch pad at Space Launch Complex 41. http://www.nasa.gov/sites/default/files/thumbnails/image/50164230653_d9cf74d82d_k_0.jpg
The engines fired as a United Launch Alliance Atlas V rocket with NASA’s Mars Perseverance rover onboard launched from Space Launch Complex 41, Thursday, July 30, 2020. http://www.nasa.gov/sites/default/files/thumbnails/image/50170171651_23d59dc5e1_k.jpg