
ESA (European Space Agency) astronaut Luca Parmitano is pictured tethered to the International Space Station while finalizing thermal repairs on…

NASA astronaut Andrew Morgan is pictured tethered to the International Space Station while finalizing thermal repairs on the Alpha Magnetic…

NASA astronaut Andrew Morgan takes pictures with a camera shielded from the effects of microgravity during a spacewalk.

NASA astronaut Andrew Morgan is pictured tethered to the International Space Station while finalizing thermal repairs on the Alpha Magnetic…

NASA astronaut Andrew Morgan is pictured tethered to the International Space Station while finalizing thermal repairs on the Alpha Magnetic…

ESA (European Space Agency) astronaut Luca Parmitano takes a "space-selfie" with his camera's reflection on his spacesuit's helmet visor.

NASA Chief Technologist Douglas Terrier, center, talk with a Harding University student about a miniaturized laser sample analysis device that…

NASA Chief Technologist Douglas Terrier, center, and NASA Deputy Chief Technologist David Steitz, left, talk with a Harding University student…

NASA Chief Technologist Douglas Terrier, right, being briefed on student-developed precision atmospheric laser technology mounted on a remotely-operated rover at…

NASA Chief Technologist Douglas Terrier, right, and NASA Deputy Chief Technologist David Steitz, left, investigate a rover developed at Harding…