NASA has released new 4K HiRISE footage revealing unexpected features shifting across dune fields on both Mars and Earth. The imagery shows patterns that appear to move, expand, or reshape at rates ...

NASA’s Perseverance rover stationed on Mars spotted a dome-shaped rock with a striking resemblance to a helmet used during medieval times. The martian rock, captured by Perseverance’s primary camera ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA has two car-sized vehicles on the ground exploring areas of Mars's surface that are billions of years old. But the ...