See Jupiter shining like the “Christmas Star” and catch a glimpse of the ISS — aka “Santa’s Sleigh” — in the early morning skies this Christmas Day.

The International Space Station has been circling Earth for more than two decades now, serving as humanity's home in orbit, a laboratory, and a one-of-a-kind example of global cooperation in space.

NASA astronauts are preparing for two spacewalks to complete tasks outside the International Space Station. Here's what we ...

NASA and Northrop Grumman had delayed the arrival of a Cygnus XL spacecraft to the orbital outpost after an issue with its main engine was detected. Flight engineers were able to determine that it ...