For the past four years, NASA 's Perseverance rover has rambled over a region of Mars where scientists say a strong river ...

The finding suggests that future climate simulations, unlike current ones, should account for the effects ... patches of snow on Harding Icefield, a 1,900-square-kilometer frozen expanse in ...

frozen snapshot of the grit, passion, and determination that defined the iconic game," the TRuEST listing said. "By preserving and authenticating the very snow that surrounded this monumental game ...