A NOAA forecast suggest that Northern Lights may be visible in northern U.S. states as solar wind conditions intensify.

Virtually moonless night skies will create perfect conditions — if skies are clear — for a possible geomagnetic storm on ...

Dark Sky has long been one of the few indispensable mobile apps — and now The Dark Sky Company is trying to make it on the web, too. If you purchase a product or register for an account through a link ...