SpaceNew type of supernova born in stellar smash-up It's the ultimate demolition derby – stars caught in head-on collisions around a black hole may be responsible for a new kind of supernova ¿ìè¶ÌÊÓÆµ
SpaceOutcast black holes surround the Milky Way Computer simulations show that as many as 2000 black holes kicked out of their host galaxies might live in the Milky Way's outskirts ¿ìè¶ÌÊÓÆµ