SpaceDelicate solar panels of Martian lander are tested before launch The arrays are due to open for real in November to power a two-year mission to probe the guts of Mars and reveal how rocky planets' core, mantle and crust form Regulars
EarthScorching hot springs house extreme life and a future ocean Three tectonic plates are gradually pulling apart at the Danakil depression in Ethiopia, creating a hot, acid environment that could provide clues to life on Mars Regulars