Mars has two permanent polar ice caps of water ice and some dry ice, and a few patches of ice both on and under the surface.

The recent detection of potential signs of ancient microbial life on Mars by NASA’s Perseverance rover has sparked renewed ...

November's Sky Above episode features a supermoon, meteor shower, and interstellar comet, with experts discussing these ...

But much is unknown about the availability of water ice on the moon, or even what data is missing that could help fine-tune ...

For centuries, Mars’ deep ochre glow has been a riddle written across the night sky. Now, a convergence of spacecraft ...

The Central Arizona Project, Tucson's main drinking water source, is shut down after the first break in its concrete canal in the project's 27-year existence. The canal rupture, spanning nearly 500 ...

With Tucson out of the picture for the Project Blue data-center complex, Marana has emerged as a possible prospect for a replacement location. Not only is the town of 62,000 people Pima County’s ...