Aquarius, a constellation and the 11th sign of the zodiac. The name means "water bearer." Aquarius contains no particularly bright or noteworthy stars. The constellation is clearly visible during the early evening in autumn.
As doomsday theorists look to the sky for signs of a 2012 apocalypse, some believe the planets will align in a way that will spell catastrophe to life on our tiny home turf. Are their observations backed up with sound science?
The sun warms our planet every day, provides the light by which we see and is necessary for life on Earth. But what is it exactly, and what will happen when it burns itself out?