SpaceDust is annoying, but it is also key to life and death in the cosmos Dust gives us trouble, whether at home or in space, but it plays a key role in star formation and destruction, and in allowing us to understand huge objects like galaxies says Chanda Prescod-Weinstein Comment
SpaceWhat happened when the Shoemaker-Levy 9 comet smashed into Jupiter From the archives: In 1994 comet Shoemaker-Levy 9 hit Jupiter, creating fireballs 2000 kilometres across – and raising US Congress alarm about what would happen if one hit Earth Regulars