NASA/Aubrey Gemignani A SpaceX Falcon 9 rocket carrying the SpaceX Dragon spacecraft Endeavour lifts off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida on Aug. 1, 2025. NASA astronauts Zena Cardman and Mike Fincke, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov are aboard the spacecraft. After [...]

5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Europa Clipper’s radar instrument received echoes of its very-high-frequency radar signals that bounced off Mars and were processed to develop this radargram. What looks like a skyline is the outline of the topography beneath the spacecraft.NASA/JPL-Caltech/UT-Austin The agency’s largest interplanetary probe tested its radar [...]

Skywatching Skywatching Home What’s Up Meteor Showers Eclipses Daily Moon Guide More Tips & Guides Skywatching FAQ Night Sky Network Venus-Jupiter Conjunction and Meteor Mojo Jupiter and Venus shine brightly in the mornings as they appear to graze each other in the sky on the 11th and 12th. The Perseids are washed out by [...]

A SpaceX Falcon 9 rocket carrying the company’s Dragon spacecraft is launched on NASA’s SpaceX Crew-11 mission to the International Space Station with NASA astronauts Zena Cardman, Mike Fincke, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov onboard, Friday, Aug. 1, 2025, from NASA’s Kennedy Space Center in Florida. NASA’s [...]

6 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Sea surface height can tell meteorologists a lot about extreme storms like hurricanes, including whether they will intensify within a day. This kind of information can help communities better prepare if a hurricane is headed their way. Hurricane Elena is seen here from the [...]

Explore Hubble Hubble Home Overview About Hubble The History of Hubble Hubble Timeline Why Have a Telescope in Space? Hubble by the Numbers At the Museum FAQs Impact & Benefits Hubble’s Impact & Benefits Science Impacts Cultural Impact Technology Benefits Impact on Human Spaceflight Astro Community Impacts Science Hubble Science Science Themes Science Highlights [...]

NASA/Cory S. Huston The Sun rises on the morning of July 31, 2025, ahead of NASA’s SpaceX Crew-11 mission launch from NASA’s Kennedy Space Center in Florida. The launch was postponed due to an unfavorable weather forecast. Teams are now targeting 11:43 a.m. EDT Friday, Aug. 1. NASA astronauts Zena Cardman and Mike Fincke, JAXA (Japan Aerospace Exploration [...]

Technicians have successfully installed two sunshields onto NASA’s Nancy Grace Roman Space Telescope’s inner segment. Along with the observatory’s Solar Array Sun Shield and Deployable Aperture Cover, the panels (together called the Lower Instrument Sun Shade), will play a critical role in keeping Roman’s instruments cool and stable as the mission explores the infrared universe. [...]