Looking Back: International Space Station at the Start of Expedition 1

On Nov. 2, 2000, the Expedition 1 crew - Commander William M. (Bill) Shepherd of NASA…

Close View of Saturn’s Moon Enceladus From Oct. 28 Flyby

This unprocessed "raw" image of Saturn's icy, geologically active moon Enceladus was acquired by NASA's Cassini…

Close View of Saturn’s Moon Enceladus From Oct. 28 Flyby

This unprocessed "raw" image of Saturn's icy, geologically active moon Enceladus was acquired by NASA's Cassini…

Spacewalk Selfie

Expedition 45 Commander Scott Kelly took this photograph during a spacewalk on Oct. 28, 2015. Sharing…

Spacewalk Selfie

Expedition 45 Commander Scott Kelly took this photograph during a spacewalk on Oct. 28, 2015. Sharing…

Colors After the Storms

Damaging heavy rains fell on South Carolina in the southeastern United States at the beginning of…

Colors After the Storms

Damaging heavy rains fell on South Carolina in the southeastern United States at the beginning of…

Scott Kelly Prepares For a Spacewalk

Expedition 45 Commander Scott Kelly tries on his spacesuit for a fit check inside the U.S.…

Scott Kelly Prepares For a Spacewalk

Expedition 45 Commander Scott Kelly tries on his spacesuit for a fit check inside the U.S.…

A Tale of Two Hemispheres

Enceladus is a world divided. To the north, the terrain is covered in impact craters, much…