As shocking as it sounds today, prior to the 1990s, scientists couldn't be certain that stars beyond the sun also had planets orbiting them. Since the discovery of the first extra-solar planet, or ...

This guide explains how to draw planets in an easy and clear way that works well for school projects, hobby drawing, or ...

A new Alien: Earth teaser has set up the alien invasion of earth the show revolves around. The brief clip, below, shows events from the point of view of an alien as it races through the interior of a ...