Astronomers have studied two star clusters using data from Chandra and infrared telescopes, and results show that the simplest ideas…
Expedition 39 Commander Koichi Wakata of the Japan Aerospace Exploration Agency watches the April 20 approach of the SpaceX Dragon…
Russian cosmonauts Oleg Artemyev (right) and Alexander Skvortsov with Russia’s Federal Space Agency (Roscosmos) work on the BD-2 treadmill in…
This is one of an extensive series of still photos documenting the April 20 arrival and ultimate capture and berthing…
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 4697 at NASA’s Marshall Space Flight Center.
Artist concept of Test Stand 4693 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…