New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

NASA astronaut Suni Williams was undertaking a repair on the ISS when she was photographed from Earth by an amateur ...

A stunning Valentine's view of a nebula contains hidden depths of starbirth and the violent deaths of massive stars.

The space station and one other Easter egg — the site of NASA's next human moon landing — are hidden in this lucky photo.

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...

NASA's two stuck astronauts may end up back on Earth a little sooner than planned. The space agency said Tuesday that SpaceX ...

NASA has captured six stunning and rare images of galaxies, showcasing their unique shapes and formations. Among them are ...

NASA releases rare image of Mount Everest taken from space shuttle Columbia during the STS-80 mission in 1996, showcasing the ...

NASA astronauts Don Pettit and Matt Dominick answered questions from the audience and discussed daily life on the ISS.