SpaceSome TRAPPIST-1 planets may have the right conditions for water Water on the planets nearest the TRAPPIST-1 star would be destroyed by UV radiation but it could survive on the cooler worlds in the habitable zone News
SpaceIt could be snowing on Mars right now The Red Planet may have had intense snowstorms long ago when it was wetter, but a model shows it could still have violent snowfall at night when the clouds cool News