SpaceFirst truly isolated black hole detected in interstellar space Rogue black holes are usually detected by the matter falling into them, but the first truly isolated black hole has been found because of the way it bends the light of a distant star 51¶¯Âþ
SpaceMy encounter with a different and deeply mysterious kind of corona While teaching solar physics this year, I was once again drawn in by the mystery of why the sun's corona is so inexplicably hot, says Chanda Prescod-Weinstein Comment