From satellites to the moon, NASA has conducted dozens of successful missions to space. These are some of the most famous. We'll start with a look at NASA's first space station.
In 1952, angel hair came drifting from the sky, falling over the French towns of Oloron and Gaillac. The short life of angel hair makes it difficult to analyze. Learn more about the history of angel hair UFOs.
Comic books have happily subscribed to the theory of multiple universes for decades. After all, how else could flying and leaping versions of Superman exist at the same time? In the real world, things are a little different.