The irregular galaxy NGC 4485 shows all the signs of having been involved in a hit-and-run accident with a bypassing galaxy. Rather than destroying the galaxy, the chance encounter is spawning a new generation of stars, and presumably planets. http://www.nasa.gov/sites/default/files/thumbnails/image/stsci-h-p1930a-f-3213x2836.jpg

When Apollo 10 launched on May 18, 1969, it was the fifth launch of the Saturn V. http://www.nasa.gov/sites/default/files/thumbnails/image/apollo10launch.jpg

NASA’s Green Propellant Infusion Mission, or GPIM, will prove a sustainable and efficient approach to spaceflight. http://www.nasa.gov/sites/default/files/thumbnails/image/19-03528_-_gpim_final_day1.jpg

A couple times a year, the International Space Station orbit happens to align over the day/night shadow line on Earth. http://www.nasa.gov/sites/default/files/thumbnails/image/403a0271.jpg

NASA is conducting field demonstrations of small drones navigating urban landscapes. http://www.nasa.gov/sites/default/files/thumbnails/image/new-era-of-flight-no-words_0.jpg

NASA and Northrop Grumman technicians in Promontory, Utah, have applied insulation to the final booster motor segment for the second flight of NASA’s deep space rocket, the Space Launch System, and NASA’s Orion spacecraft. http://www.nasa.gov/sites/default/files/thumbnails/image/booster_green_background.jpg

On May 25, 1961, President John F. Kennedy addressed a joint session of Congress to announce his decision to go to the Moon. I http://www.nasa.gov/sites/default/files/images/154946main_image_feature_637_ys_full.jpg

This false color image shows part of an unnamed crater in Mars' Arabia Terra. http://www.nasa.gov/sites/default/files/thumbnails/image/pia23239.jpg

Learn about the three ways to travel at (nearly) the speed of light. http://www.nasa.gov/sites/default/files/thumbnails/image/g2014-018_mms_narrated_orbitv4_ipod_lg.594_print.jpg

Surround Sound - Orion service module for Artemis 1 undergoes acoustic tests http://www.nasa.gov/sites/default/files/thumbnails/image/orion_service_module_acoustic_test_co.jpg

This luminous orb is the galaxy NGC 4621, better known as Messier 59. Located in the 2,000-strong Virgo cluster of galaxies within the constellation of Virgo (the Virgin), Messier 59 lies approximately 50 million light-years away from us. http://www.nasa.gov/sites/default/files/thumbnails/image/potw1921a.jpg

NASA selected three commercial Moon landing service providers that will deliver science and technology payloads under Commercial Lunar Payload Services (CLPS) as part of the Artemis program. http://www.nasa.gov/sites/default/files/thumbnails/image/47974215683_9e2aaef98f_k.jpg

Orion’s Ascent Abort-2 flight test vehicle was rolled out from Kennedy Space Center’s Launch Abort System Facility to Space Launch Complex 46 at Cape Canaveral Air Force Station for its July 2 launch. http://www.nasa.gov/sites/default/files/thumbnails/image/ksc-20190523-ph-kmo01_0189.jpg

The Chandra X-Ray Observatory detects a coronal mass ejection from a star other than the Sun for the first time. http://www.nasa.gov/sites/default/files/thumbnails/image/cme_lg.jpg

Without the sound advice of meteorologists and geologists working behind the scenes, one of the most consequential battles in human history could have gone quite differently. http://www.nasa.gov/sites/default/files/thumbnails/image/normandy_oli_2018196_hi-res.jpg

From the International Space Station, NASA astronaut Christina Koch snapped and posted this image of the planet Venus at sunrise. http://www.nasa.gov/sites/default/files/thumbnails/image/516a0716.jpg

NGC 7773 is a beautiful example of a barred spiral galaxy. A luminous bar-shaped structure cuts prominently through the galaxy's bright core, extending to the inner boundary of NGC 7773's sweeping, pinwheel-like spiral arms. Astronomers think that these bar structures emerge later in the lifetime of a galaxy. http://www.nasa.gov/sites/default/files/thumbnails/image/potw1922a.jpg

NASA astronaut Serena Auñón-Chancellor is hugged by students after a presentation about her experience on Expeditions 56 and 57 onboard the International Space Station at Excel Academy Public Charter School in DC. http://www.nasa.gov/sites/default/files/thumbnails/image/48039484278_3230f9db87_k.jpg

This flag accompanied NASA astronaut Alan B. Shepard on his 15-minute suborbital journey on May 5, 1961. http://www.nasa.gov/sites/default/files/thumbnails/image/a19840955000d1.jpg

Samples of spacesuit material will be flown on the Mars 2020 mission to study show they might degrade in the Martian environment. http://www.nasa.gov/sites/default/files/thumbnails/image/teacup_lg.jpg

Command Module pilot Michael Collins practices in the CM simulator on June 19, 1969, at Kennedy. http://www.nasa.gov/sites/default/files/thumbnails/image/apollo_11_collins_in_cm_sim_ksc_jun_19_1969_s69-38202.jpg