Make room, earthling. We’re moving the other planets in our Solar System into our planetary neck of the woods. Would all the ...

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is extremely ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise ...