The space rock between 130 and 300 feet long has caused quite a stir since astronomers first spotted it late last year on a trajectory bringing it uncomfortably close to Earth in 2032. YR4's ...

Well, you’re in for a treat. Meteors, meteorites, comets, asteroids… there are so many names for the various space rocks out there, it can sometimes be tricky to understand what precisely we ...

Two gorges on the Moon that are deeper than the Grand Canyon were carved out in less than 10 minutes by space rocks travelling at the speed of a bullet, astronomers have revealed. The Moon canyons ...