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 ...

The images, which shows Butch Wilmore and Suni Williams and other NASA astronauts wearing Santa Claus hats, was posted ...

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 ...

In a holiday-themed update, NASA shared images of Williams and Wilmore wearing Christmas hats and preparing to celebrate ...

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 Williams and Butch Wilmore celebrate Christmas on the International Space Station, sharing holiday cheer and traditions from space.

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