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 ...

A striking Martian landscape filled with coral-like patterns is offering scientists a new window into the planet’s distant past, with observations from HiRISE revealing layered deposits that may ...

Last week, third-grade students from Sunridge Elementary School in Phoenix, Ariz., saw their chosen spot on Mars released to the world in a new image from the High Resolution Imaging Experiment camera ...

After nearly 20 years on the Red Planet, NASA's Mars Reconnaissance Orbiter (MRO) has snapped its 100,000th image of the surface with its HiRISE camera. Short for High Resolution Imaging Science ...

Martian winds can have quite an impact. ESA's Mars Express has spotted them whipping up sand grains and acting as a cosmic sandblaster, carving out intriguing grooves near Mars's equator. The ridges, ...

If all goes as planned Friday, the University of Arizona's High Resolution Imaging Science Experiment (HiRISE) will begin doing for Mars a little of what Google Earth has done for the home planet.

Mesas and dunes stand out in the view snapped by HiRISE, one of the imagers aboard the agency’s Mars Reconnaissance Orbiter. After nearly 20 years at the Red Planet, NASA’s Mars Reconnaissance Orbiter ...