SpaceThe Kepler spacecraft is dead but its planet-hunting legacy lives on On 30 October, NASA announced that the Kepler planet-hunting spacecraft is being shut down. Over almost a decade, it changed our views on our place in the universe News
SpaceThe sun shrinks and grows again by 2 kilometres every 11 years The sun’s size changes throughout its 11-year cycle of magnetic activity, and measuring that growth may help us figure out what’s going on inside News