NASA ISS livestream switches to a signal-loss slate after a bright object crosses the frame, sparking UFO questions online as NASA cites routine automated handoffs.

The Sentinel-6B is the second of two satellites in a $1 billion program to monitor sea levels over a full decade.

India launched on Wednesday a $1.5 billion, first-of-its-kind radar imaging satellite built in collaboration with NASA, deploying it to help enhance global monitoring of climate change and natural ...

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The Sentinel-6B satellite arrives in California for launch, ready to measure sea level with unprecedented climate accuracy.

SpaceX launched an advanced ocean-mapping satellite to orbit from California early Monday morning (Nov. 17). The Sentinel-6B ...

"I am extremely happy to announce that GSLV-F16 (Geosynchronous Satellite Launch Vehicle) vehicle has successfully and precisely injected the NASA-ISRO synthetic aperture radar satellite." The ...

CAPE CANAVERAL, Fla. (AP) -- NASA and India paired up to launch an Earth-mapping satellite on Wednesday capable of tracking even the slightest shifts in land and ice. The $1.3-billion mission ...