SpaceThe weirdest stars we've ever seen have astronomers utterly baffled The light from a pair of stars about 360 light years away dimmed and brightened again 28 times in three months and astronomers have no explanation News
SpaceEarth may be made up of rocks blasted by gusts of solar wind The area in our solar system within Mercury’s orbit is empty, which may be because solar winds threw all the rocks farther out, where they helped form planets News