SpaceStars that devour their planets get brighter and faster When the sun expands and engulfs Earth, our planet's ashes will brighten the sun and spin it faster. We might be able to watch this happen across the universe News
SpacePlanets near dangerous stars could shield alien life under smog Red and white dwarfs make nasty neighbours due to spurts of deadly radiation, but alien life could still form on planets nearby if shielded by smog or oceans News