This NASA/ESA Hubble Space Telescope image is a wonderfully detailed snapshot of the spiral galaxy NGC 3430 that lies 100 million light-years from Earth in the constellation Leo Minor.

From left to right, NASA astronaut candidates Anil Menon, Deniz Burnham, and Marcos Berrios pose for a photograph in front of NASA’s Artemis I Space Launch System and Orion spacecraft at Launch Complex 39B at the agency’s Kennedy Space Center in Florida on Sept. 2, 2022.

NASA's Hubble Space Telescope captured this image of Saturn on July 4, 2020. Two of Saturn's icy moons are clearly visible in this exposure: Mimas at right, and Enceladus at bottom. This image is taken as part of the Outer Planets Atmospheres Legacy (OPAL) project. OPAL is helping scientists understand the atmospheric dynamics and evolution of our solar...

Astronauts Eileen M. Collins, STS-93 mission commander, and Jeffrey S. Ashby, pilot, peruse checklists on Columbia's middeck.

The barred spiral galaxy NGC 6872 is interacting with a smaller galaxy to the upper left. The smaller galaxy has likely stripped gas from NGC 6872 to feed the supermassive black hole in its center.

Astronaut Buzz Aldrin, lunar module pilot, poses for a photo beside the U.S. flag that has been placed on the Moon at Tranquility Base during the Apollo 11 mission landing on July 20, 1969.