SpaceWe’ve caught a comet switching its spin direction for the first time A small comet has been spotted slowing down and then speeding up again – but in the opposite direction, which we have never seen before News
SpaceWeird clump in the early universe is piping hot and we don’t know why A galaxy cluster in the early universe is 10 times hotter than it ought to be, which may reshape how we think these enormous structures formed News