PHOENIX — New evidence of ice underneath the surface of Mars has been found, according to a new study authored in part by some Arizona researchers. Colin Dundas, the lead researcher and geologist at ...

Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

At the start of October, NASA's Mars Reconnaissance Orbiter (MRO), equipped with the University of Arizona-led HiRISE camera, ...

Nineteen-year-old Bailey Cunningham has a dream not typical of a college-aged student. The Flagstaff teen wants to go to Mars — a dream she’s one step closer to actually making into a reality.

A University of Arizona-led team has used a camera orbiting Mars to capture the closest images yet of a rare interstellar ...

PHOENIX - A big discovery has been found on Mars, thanks to a group of researchers at the University of Arizona. Researchers have found volcanic activity on the Red Planet recently, and they are ...

Science writer David Baron explores the initial interest in whether there was life on Mars in his latest book, "The Martians: ...

NASA's Perseverance Mars rover saw two dust devils swirl across the surface of the Red Planet before joining together as one.

Anyone connected by Internet can now see planet Mars better than at any time in history, through the eye of HiRISE, the most powerful camera ever to orbit another planet. A University of Arizona-based ...

Scientists observed the UA HiRISE camera’s first high-resolution pictures of the surface of Mars on Friday afternoon and are preparing to receive data about weather conditions and polar ice caps on ...

The UA’s High Resolution Imaging Science Experiment released 930 new images of Mars terrain to the public, including images that show the existence of lava rock. Previously the images, which were ...

People who enjoy looking up at the night sky may be surprised to see a bright dot accompanying the moon on Friday night. Oct. 14's waning gibbous moon will be visible as the sun goes down around 6 p.m ...