NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

Mercury reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...

The northern lights are expected to grace the skies of some northern states in the wake of a coronal mass ejection from the sun.

The mineral-rich Arctic island is open for tourism. Locals want to show what makes Greenland unique beyond a recent ...