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

An Earth-directed coronal mass ejection could trigger a G3-rated geomagnetic storm on Tuesday, Dec. 9, according to space ...

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 ...