Skygazing astronomers have spotted a sudden, bold flash of light on the Moon caused by an astronomical smash-up. The culprit is still being investigated, but it may have something to do with one of ...

The Moon is usually a picture of stillness, its grey face changing only with the phases of light. Yet for a fraction of a second, astronomers watched that calm surface erupt in a sharp, brilliant ...

If you were hoping to see the “mini moon,” you’ve probably been disappointed. But experts say the asteroid was an important milestone in planetary defense research. Though there are hundreds of moons ...