Russian cosmonaut Oleg Kotov works outside during the Dec. 27 spacewalk.
Apoyeque Volcano, Nicaragua is featured in this image photographed by an Expedition 38 crew member on the International Space Station.
Just as Saturn's famous hexagonal shaped jet stream encircles the planet's north pole, the rings encircle the planet, as seen…
The X-33 was to have been a wedged-shaped subscale technology demonstrator prototype of a potential future Reusable Launch Vehicle (RLV)…
This view of a Martian rock target called "Harrison" merges images from two cameras on NASA's Curiosity Mars rover to…
This mosaic of images from the Navigation Camera (Navcam) on NASA's Mars rover Curiosity shows the terrain to the west…
The deployment of two new instruments on the International Space Station will convert the orbiting astronaut lab into a platform…
John Glenn, standing next to his Friendship 7 capsule in which he made his historic orbital flight, meets with President…
This bright ‘evening star’ seen from Mars is Earth.
In January 1968, the Saturn V S-IVB stage that housed the orbital workshop, which was renamed Skylab was unloaded from…
