Most of us would consider Bootes the Bear Guard a spring constellation. That's when it first appears in the eastern sky, following the tail of Ursa Major the Great Bear as the snow drifts recede. Come ...

Add Yahoo as a preferred source to see more of our stories on Google. Imagine a space so vast and empty it could make even the bravest astronaut feel a shiver down their spine. Well, that's the Bootes ...