The Navy is once again teaching celestial navigation as a back up in case GPS systems become unusable. Celestial navigation, sometimes referred to as astronavigation, is a way for a navigator to use ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. This article contains minor spoilers. One of the ...

Skywatchers who are out and about after 1 a.m. local time Monday will have an interesting celestial array to admire, composed of the moon, a bright planet and a bright star. The configuration ...

One of the greatest feats of human migration in history was the colonisation of the vast Pacific Ocean by Polynesian peoples. They achieved it thanks to their sophisticated knowledge of positional ...