SpaceWe found our galactic twin 180 million light years away Astronomers have spotted a trio of galaxies that look remarkably like the giant spiral of the Milky Way and its two brightest companions, the Magellanic Clouds News
SpaceHiding in plain sight: The mystery of the sun's missing matter A mass equivalent to 1500 Earths has vanished from the sun. Tracking it down could transform how we see the stars Features