Superbubble in the Large Magellanic Cloud

NASA, ESA/Hubble, D. Gouliermis NASA’s Hubble Space Telescope captures a photogenic nebula, N44, in the Large Magellanic Cloud in this Sept. 3, 2026, image. N44 is dominated by two features: a vast central void and a shell of dense, dusty gas. The central void is a ‘superbubble’ spanning roughly 210 by 140 light-years across. The … Read more

NASA Astronaut Jonny Kim Departs Agency to Continue Military Service

NASA astronaut Jonny Kim poses for a portrait at NASA’s Johnson Space Center in Houston. Credit: NASA/Josh Valcarcel After nearly a decade of service to NASA, including an eight-month science expedition aboard the International Space Station, astronaut Jonny Kim’s last day at the agency is Thursday. He will continue serving as lieutenant commander in the … Read more

NASA Sets Spacewalk for Station Maintenance, Live Coverage Planned

NASA astronaut Jessica Meir and ESA (European Space Agency) astronaut Sophie Adenot work together inside the International Space Station’s Quest airlock during spacesuit fit and leak checks. Credit: NASA NASA will provide coverage as two astronauts step outside the International Space Station on Tuesday, Sept. 1, to replace a spacecraft navigational aid and complete several … Read more