The Apollo moon missions (11 through 17, minus the infamous 13) collected more than 800 pounds of moon rock. But whatever happened to those samples?
Even though it's no longer considered a planet, Pluto still excites the imagination as it skims the outer reaches of our solar system.
An astrophysicist says the search for extraterrestrial life is about to get interesting.
Scientists have discovered a new moon for Neptune, raising its number of moons to fourteen.
Whether it’s super, or blue, or crescent, the moon has many faces. But what exactly are they?