SpaceLIGO black hole pair may be stars that lived and died together We’ve now seen enough gravitation waves to start wondering about the formation of the binary black holes that cause the signals when they spiral in and collide ¿ìè¶ÌÊÓÆµ
SpaceIdentity-crisis comet may really be closest asteroid to the sunObservations of a supposed comet that skirts close to the sun reveal it doesn't really act like one – so may be a different kind of space rock altogether¿ìè¶ÌÊÓÆµ