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

A first look at the sky -- A tour of the sky -- The monthly sky maps -- The constellations -- Stars, Nebulae, and galaxies -- Double and variable stars -- Atlas of the sky -- The moon -- Finding the ...

NEW YORK (AP) — An Australian moth follows the stars during its yearly migration, using the night sky as a guiding compass, according to a new study. When temperatures heat up, nocturnal Bogong moths ...