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Volcanic ash is creeping across the surface of Mars with startling speed. The European Space Agency’s (ESA’s) Mars Express ...

The HiRISE orbiter successfully photographed interstellar comet 3I/Atlas during its high-speed journey past the red planet, offering scientists their closest view yet A camera designed to study the ...

Perceptible geological changes on the surface of Mars are usually measured on timescales spanning millions of years, a pace ...

HiRISE has done it again. The UA Lunar and Planetary Lab team that operates the high-resolution camera aboard the Mars Reconnaissance Orbiter captured a clear, stunning image of the Mars rover ...

Nasa's HiRISE camera aboard the Mars Reconnaissance Orbiter captured Earth and its Moon from 142 million kilometres away.

A stereo camera operated by the UA will be carried aboard a Mars orbiter in 2016 as part of a joint program by NASA and the European Space Agency to explore the red planet, the UA announced Tuesday.

NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) just notched a big milestone. MRO's HiRISE ("High Resolution Imaging Science Experiment") camera has now snapped 100,000 photos of the surface of ...