Exotic Objects Do black holes and their accretion disks always spin in the same direction? Does a supermassive black hole always spin in the same direction as its host galaxy?
Exotic Objects Do black holes and dark matter interact gravitationally? Does dark matter fall into black holes?
Human Spaceflight, Space Exploration Space station astronauts complete nearly eight-hour spacewalk to investigate mystery hole
Exotic Objects, Milky Way Ask Astro: Where would a telescope need to be to see the Milky Way’s black hole without any dust in the way?
Cosmology, Exotic Objects, Robotic Spaceflight Chandra, Spitzer study suggests black holes abundant among the earliest stars
