SpaceSaturn moon's mirror-smooth lake 'good for skipping rocks' The largest lake on Titan varies in height by less than 3 millimetres, new radar observations show – seasonal changes may explain why it is so placid News
LifeDestruction of Martian methane may be bad news for life Methane is destroyed 600 times faster on Mars than it is on Earth, new calculations suggest – whatever is responsible may be wiping out other organic molecules too News