A "city-killer" asteroid was found to have a greater chance of hitting the Moon than Earth, according to a new observation ...

During the week ahead, watch for Mars in the evening sky as it moves its way slowly night by night, left to right, above the bright star Regulus in the constellation of Leo, the Lion, situated above ...

If you're feeling stuck and wonder what it might be like to be in the vastness of the universe, here are the greatest movies ...