EarthSpacecraft reveal the mysteries of the solar system's space rocks Three spacecraft have been gathering a treasure trove of information about the solar system's space rocks, helping us understand how Earth and the other planets formed News
SpaceMoon craters reveal surprise rise in asteroid shrapnel pelting Earth Craters on the moon show that it and Earth faced a massive increase in large meteorite strikes about 290 million years ago, which could have endangered life on the planet News