On the right side of this photo, Expedition 38 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency (left),…
In the Integration Building at the Baikonur Cosmodrome in Kazakhstan, Expedition 38/39 Flight Engineer Rick Mastracchio of NASA conducts a…
An X1.0-class flare exploded off the right side of the sun, peaking at 10:03 p.m. EDT on Oct. 27, 2013.
On Oct. 25, 2013, Comet ISON was located in the constellation of Leo the Lion.
Expedition 37 flight controllers staff their consoles during the undocking of Europe's fourth Automated Transfer Vehicle from the International Space…
In this scene, which was acquired by the MESSENGER spacecraft looking from the shadows toward the sunlit side of the…
This trio of ghostly images from NASA's Spitzer Space Telescope shows the disembodied remains of dying stars called planetary nebulas.…
To celebrate American Archive Month, Chandra has released eight stunning new images of our Universe.
Another X-class solar flare erupted from the same area of the sun on Oct. 25, 2013, which peaked at 11:03…
A magnetic filament of solar material erupted on the sun in late September, breaking the quiet conditions in a spectacular…
