When looking at a picture of the sun, how could you tell whether or not it's rising or setting?
One of the great mysteries: Does life exist elsewhere in the universe. Research has found that such planets may be more common, and much closer, than we think.
Ever wonder why our freckles seem to multiply with the advent of warmer weather and longer days?
More often than not, the wind dies down at night after a blustery day. Where does the wind go? Why are nights generally more calm than days?
Did you know it seems we're discovering a new exoplanet every week?
Solar tornadoes are solar gases swirling in monstrous formations deep within the sun's atmosphere, measuring the width of several Earths.
Did you know that the Arctic is warming faster than the rest of the planet?
Watch our nearest planetary neighbor 'transit' across the sun on Tuesday. You're going to want to some good eye protection.
There's an interesting effect we can sometimes see regarding the moon. It happens when only a tiny sliver is visible shining on one side.
Supernovas explode with a bright burst of radiation, giving off as much energy in a few days as our sun will give off in its entire lifetime.