Long before GPS, explorers used the stars to cross oceans and deserts. Here’s how they turned the night sky into a map.

One of the most useful skills in early times was to be able to navigate using the stars. With this ability, sailors and explorers were able to venture through their lands and even discover new ones.

We've long known that some animals depend on the Sun to navigate the world. However, new research may have uncovered the first insect we know of that does the same using the stars and night sky. The ...