NASA ER-2 pilot Kirt Stallings waits inside the transport vehicle at Edwards, California, on Thursday, Aug. 21, 2025, moments before boarding NASA’s Armstrong Flight Research Center’s ER-2 aircraft for a high-altitude mission supporting the Geological Earth Mapping Experiment (GEMx). Through the vehicle window, the aircraft can be seen being readied for flight.
This image shows two massive galaxy clusters. The vast number of galaxies and foreground stars in the image were captured by NASA’s James Webb Space Telescope in near-infrared light. Glowing, hot X-rays captured by NASA’s Chandra X-ray Observatory appear in pink. The blue represents the dark matter, which was precisely mapped by researchers with Webb’s detailed imaging.
The 57.7-foot-long Canadarm2 robotic arm extends from a data grapple fixture on the International Space Station’s Harmony module in this July 23, 2025, image.
During its close flyby of Jupiter’s moon Io on December 30, 2023, NASA’s Juno spacecraft captured some of the most detailed imagery ever of Io’s volcanic surface. This image is the NASA Science Image of the Month for October 2025.