Long before GPS, explorers used the stars to cross oceans and deserts. Here’s how they turned the night sky into a map... Republican senator goes public with his Trump complaints Why Elon Musk says ...

Bogong Moth is a night flying moth. Endangered species in Australua and declining population since 1980's because of droughts in the regions where their lavae grow© Nancy Husband/Shutterstock.com ...

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.