Exotic Objects, Science University of Hawaii astronomer finds giant galaxy hosting the most distant supermassive black hole
Human Spaceflight, Space Exploration UPDATE: NASA sets new target launch date for space shuttle Discovery
Science I read somewhere that mercury is being used to make liquid-mirror telescopes. What are the advantages of collecting light this way?
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?