The engineering lesson is simple: Sometimes the best observatory is the one already parked at another planet. When an ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

The discovery of a vast, fresh impact scar on Mars began with what looked like a smudge in a routine weather snapshot. A camera built to monitor daily clouds and dust storms ended up flagging the ...

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, ...

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 ...

HiRISE, the most powerful camera to leave Earth's orbit, will take ultra-sharp photographs that cover 3.5-mile-wide swaths of the Martian landscape, returning images with a 20,000-by-60,000 pixel ...

Cameras developed by 35 students at Northern Arizona University, as part of NASA's Escapade Mission, are on there way to Mars. A 14-year-old won $25,000 for origami. He discovered a pattern that can ...

A stereo camera operated by the University of Arizona 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 ...