this would be the real half moon)," NASA wrote in its moon guide. "The moon is opposite the sun, as viewed from Earth, revealing the moon's dayside." The full moon actually appears full before it ...

One of the most dramatic astronomical events of the year is scheduled to peak this weekend. The Geminid meteor shower is ...

New Hubble Space Telescope images of a black hole-powered quasar reveal 'weird' structures and gigantic jets of energy that ...