Using radar satellites to study Icelandic volcanoes and glaciers

On August 16 of last year, Mark Simons, a professor of geophysics at Caltech, landed in Reykjavik with 15 students and two other faculty members to begin leading a tour of the volcanic, tectonic, and glaciological highlights ...

Slight surface movements on the radar

Scientists are making advances in the use of satellite radar data – such as those from the Sentinel-1 mission – to monitor Earth's changing surface.

What's beneath Hawaii's most active volcano?

Step away from the villages and idyllic beaches of Hawaii, and you may think you've been transported to the moon. Walking along the lava flows of the Kilauea volcano, the landscape changes from a lush tropical paradise to ...

US-India to collaborate on Mars exploration

The United States and India, fresh from sending their own respective spacecraft into Mars' orbit earlier this month, on Tuesday agreed to cooperate on future exploration of the Red Planet.

NASA radar system surveys Napa Valley quake area

NASA scientists are conducting an airborne survey of earthquake fault displacements in the Napa Valley area of Northern California using a sophisticated radar system developed by NASA's Jet Propulsion Laboratory, Pasadena, ...

Synthetic aperture sonar to help Navy hunt sea mines

(Phys.org) —Since World War II, sea mines have damaged or sunk four times more U.S. Navy ships than all other means of attack combined, according to a Navy report on mine warfare. New sonar research being performed by the ...

NASA airborne research focuses on Andean volcanoes

(Phys.org) —A NASA-developed airborne imager called a synthetic aperture radar took a detailed look at volcanoes in Central and South America during an Earth science study in late April and early May 2014.

NASA radar watches over California's aging levees

One morning in 2008, research scientist Cathleen Jones of NASA's Jet Propulsion Laboratory in Pasadena, Calif., was flying over the San Andreas fault near San Francisco, testing a new radar instrument built at JPL. As the ...

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