Russian cosmonauts Oleg Artemyev (right) and Alexander Skvortsov with Russia's Federal Space Agency (Roscosmos) work on the BD-2 treadmill in…
Expedition 39 Commander Koichi Wakata of the Japan Aerospace Exploration Agency watches the April 20 approach of the SpaceX Dragon…
International Space Station astronauts captured this photo of Earth's atmospheric layers on July 31, 2011, revealing the troposphere (orange-red), stratosphere…
This image from the Navigation Camera (Navcam) on NASA's Curiosity Mars rover shows two holes at top center drilled into…
The magnetic field of our Milky Way galaxy as seen by the Planck satellite, a European Space Agency mission with…
Artist concept of Test Stand 4693 at NASA's Marshall Space Flight Center.
Artist concept of Test Stand 4697 at NASA's Marshall Space Flight Center.
NASA Glenn technician Ariana Miller checks the wheel mount and drive hardware assembly on a Curiosity wheel for tests at…
A Rotor Systems Research Aircraft (RSRA) underwent limited ground and flight tests at the Dryden Flight Research Center, Edwards, California,…
Titan's south polar vortex mimics the moon itself, creating an elegant crescent within a crescent. Situated above the surrounding polar…
