A massive earthquake off Russia's Kamchatka Peninsula in late July triggered a tsunami that rippled across the Pacific — and NASA's experimental detection system tracked the event in real-time by monitoring the atmosphere above.

"At its core is synthetic aperture radar, a technology pioneered at NASA JPL that enables us to study Earth night and day, through all kinds of weather." Including L-band and S-band radars on one satellite is an evolution in SAR airborne and space-based missions that, for NASA, started in 1978 with the launch of Seasat.

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 disasters. The NASA-ISRO Synthetic Aperture Radar, or NISAR ...

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 will help forecasters and first responders stay one step ahead ...

NASA has restored contact with one of a pair of space science satellites that ran into problems shortly after its July launch.