Do you like to look up into the night sky? There are so many stars, it can be mind boggling. Some ancient people marked time by the changes in star patterns. We still use changes in constellation patterns to mark astronomical time. This...

A great science project from Science Buddies that examines how ancient peoples navigated without the benefit of a GPS. Find out which stars are important in navigation in the northern and southern hemispheres. The Science Buddies project...