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6 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Set to launch no earlier than Nov. 16, Sentinel-6B will continue a decades-long data record of sea level measurement

In this artist’s concept, the ocean-observing satellite Sentinel-6B orbits Earth with its deployable solar panels extended. Credit: NASA/JPL-Caltech NASA will provide live coverage of prelaunch and launch activities for Sentinel-6B,

NASA, ESA, CSA, STScI, CXC This image released on June 30, 2025, combines data from NASA’s James Webb Space Telescope and NASA’s Chandra X-ray Observatory to visualize dark matter. Researchers

Artistic rendering of the High-Rate Delay Tolerant Networking protocol being used on the Laser Communications Relay Demonstration to transfer radio and optical communications between Earth and space. Credit: NASA  NASA’s

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

NASA’s ESCAPADE (Escape and Plasma Acceleration and Dynamics Explorers) mission launched at 3:55 p.m. EST atop a Blue Origin New Glenn rocket at Launch Complex 36 at Cape Canaveral Space

Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio Mosaics More Resources

Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio Mosaics More Resources