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

If you have visited an island like one of the Hawaiian Islands, Tahiti or Easter Island, also known as Rapa Nui, you may have noticed how small these land masses appear against the vast Pacific Ocean.

An Australian Bogong moth at the Ramshead Range of the Snowy Mountains in New South Wales, Australia. (Ajay Narendra via AP) NEW YORK (AP) — An Australian moth follows the stars during its yearly ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Christopher Palma, Penn State (THE CONVERSATION) If you have visited an island like ...