SpaceA weird star just rapidly dimmed for a few days and we don't know why A star that’s been totally calm for at least five years just suddenly dimmed by 70 per cent over two days, and it doesn’t quite fit any of our explanations News
SpaceFour stars full of burnt nuclear ash are speeding through the galaxy When a star goes supernova it is usually destroyed in a powerful explosion, but four stars have survived to tell the tale and are running away fast News