For decades, scientists have been curious about how much water Mars once had and what led to its gradual transformation into ...

A crater on Mars has a bright patch of ice. It's the second time in over a decade that the crater and ice has been observed ...

A rare glimpse into the wintry conditions of the Mars north polar vortex has shown that temperatures inside ... there is in the atmosphere freezes out and is deposited onto the ice cap, but this leads ...

Scientists have captured rare insights into Mars’s north polar vortex, where temperatures plunge far below those outside its boundaries and darkness triggers an unusual surge in ozone. New observation ...