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
SpaceEarth may have been born in a huge flare-up of the young sun A sudden brightening of the infant sun – called an FU Orionis outburst – could have melted dust grains and made them stick together, building our world News