High-energy space radiation will threaten the Mars settlements that Elon Musk hopes to build with SpaceX, as well as NASA outposts for astronauts.

Snow dots the Martian landscape in these images from ESA's Mars Express orbiter and NASA's Mars Reconnaissance Orbiter. When you purchase through links on our site, we may earn an affiliate commission ...

On Episode 177 of This Week In Space, Rod Pyle and and Tariq Malik are joined by Dr. Michael Tice to talk about a possible detection of ancient life on Mars. Tice is a research scientist, a planetary ...