The silhouette of US engineer and NASA astronaut Megan McArthur is seen past the NASA logo in the Webb Auditorium at NASA headquarters in Washington, DC, on June 7, 2022. Photo by STEFANI REYNOLDS/AFP ...

A stadium-size asteroid tumbled harmlessly past Earth this month as a powerful NASA radar system watched. The new observations helped nail down the asteroid's size, as it had been too far away for ...

EDWARDS, Calif. NASA is evaluating a compact L-Band synthetic aperture radar for potential use on unmanned aircraft. The sensor detects and measures small changes in the Earth’s surface of geophysical ...

WASHINGTON — Using data from a NASA radar that flew aboard India’s Chandrayaan-1 spacecraft, scientists have detected ice deposits near the moon’s north pole. NASA’s Mini-SAR instrument, a lightweight ...

Arecibo Observatory's massive radio telescope has collapsed; with it has gone a crucial tool in understanding asteroid risks to Earth — and it would take a serious government initiative to replace.

A radar image of asteroid 2010 JL33, generated from data taken by NASA’s Goldstone Solar System Radar on Dec. 11 and 12, 2010. Image credit: NASA/JPL-Caltech Play video A radar image of asteroid 2010 ...

This composite image of asteroid 2007 PA8 was obtained using data taken by NASA’s 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif. The composite incorporates images generated ...

NASA has outlined its testing plan for the entry, descent and landing system that it hopes will get its Phoenix lander safely to the Martian surface on 25 May. Phoenix will dig for water ice in Mars' ...