Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A. Hubble’s…
This image is from the March 6, 2012 X5.4 flare, captured by the Solar Dynamics Observatory (SDO) in the 171…
As the Apollo 11 astronauts rehearse their lunar landing mission in simulators, they pause in front of a lunar module…
This closeup view shows mated Viking lander (top) and orbiter in Kennedy Space Center’s Spacecraft Assembly and Encapsulation Facility.
Artist’s concept of NuSTAR on orbit. NuSTAR has a 10-m (30′) mast that deploys after launch to separate the optics…
This image, taken on March 6, 1969, shows the Apollo 9 Command and Service Modules docked with the Lunar Module.…
