A Christmas photo shared by NASA astronauts stranded on the international space station has everyone wondering how they got ...

On Christmas Day, a geomagnetic storm will enhance the chances of witnessing the Northern Lights across 10 U.S. states.

NASA's Christmas Eve sun flyby! "From all of us to all of you, Merry Christmas!" ...

NASA described that the stars appear in blue and white lights because of the X-rays they give off, which the Chandra X-ray ...

A giant dust cloud ring comprising green, yellow, blue and orange hues darken on the cloud's edges, creating the appearance ...

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

Christmas is here, and so are brand new images of some of the most beautiful holiday-inspired celestial views in the visible ...

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have reached their six-month milestone of being stranded on ...

The “Christmas Tree Cluster,” or NGC 2264, is an array of young stars — all between 1 and 5 million years old — that is about ...

NASACrew members aboard the International Space Station celebrate the holiday season in a unique way while living and working at the orbitin ...

NASA is getting into the festive spirit, sharing some stunning images of the Christmas Tree Cluster and the Cosmic Wreath.

NASA astronauts Suni Williams, Nick Hague, Butch Wilmore, and Don Pettit recorded a Christmas message from the International ...