Scientists have used radar technology to shed new light on the subsurface of the moon. Researchers used the Miniature Radio Frequency (Mini-RF) instrument on NASA's Lunar Reconnaissance Orbiter (LRO) ...

Volcanic caves are not just an Earth thing. Scientists have spotted signs of lava tubes on the Moon and Mars. Now, researchers at the University of Trento say they have strong evidence that one exists ...

With Europe’s Mars Advanced Radar for Subsurface and Ionospheric Sounding (Marsis) declared a success, planetary scientists around the world are eagerly anticipating other targets for the technology.

ESA’s Mars Express radar sounder, MARSIS, has looked beneath the martian surface and opened up the third dimension for planetary exploration. The technique’s success is prompting scientists to think ...

NASA’s Mars Reconnaissance Orbiter has extended the long-armed antenna of its radar, preparing the instrument to begin probing for underground layers of Mars. The orbiter’s Shallow Subsurface Radar, ...