A fresh apple floating freely near a window in the Cupola of the International Space Station is featured in this image.
A fresh apple floating freely near a window in the Cupola of the International Space Station is featured in this image.
Russian cosmonaut Sergey Ryazanskiy, Expedition 38 flight engineer, in a Russian Orlan spacesuit, participates in EVA in support of assembly and maintenance on the ISS.
In the International Space Station's Destiny laboratory, NASA astronaut Rick Mastracchio, Expedition 38 flight engineer, uses a video camera to photograph the Ant Forage Habitat Facility which will study ant behavior and colonization in microgravity.
NASA astronaut Mike Hopkins, Expedition 38 flight engineer, performs in-flight maintenance on combustion research hardware in the Destiny laboratory of the International Space Station in this image taken on Dec. 30, 2013.
Astronauts aboard the International Space Station Sunday used a robotic arm to capture and attach the Cygnus supply spacecraft, which carried dozens of new science experiments from across the country and the world to the orbiting laboratory.
A tiny representation of the sun sneaks through between a truss-based radiator panel and a primary solar array panel on the Earth-orbiting International Space Station.
Russian cosmonauts Oleg Kotov (right), Expedition 38 commander; and Sergey Ryazanskiy, flight engineer, attired in Russian Orlan spacesuits.
Another NASA commercial space partner officially has begun contracted cargo flights to the International Space Station.
Anyone who has flown long distances will be familiar with the jetlag that comes with travelling across time zones.
NASA astronaut Rick Mastracchio participates in the first Expedition 38 spacewalk designed to troubleshoot a faulty coolant pump on the International Space Station.
The Caribbean country of Cuba is pictured in this nadir image, photographed by one of crew aboard the International Space Station.
NASA astronauts will help ring in 2014 by sending greetings from space and from Earth to the crowd gathered in New York's Times Square on New Year's Eve.
This spacewalk is not related to a recent pair of spacewalks by two NASA astronauts to replace a faulty ammonia coolant pump
Mike Hopkins @AstroIllini - Sollipulli Volcano, Chile. One of the many earth observation sites that we are tasked to take pics of each day pic.twitter.com/UhlZBDvovP
NASA astronauts Rick Mastracchio and Mike Hopkins completed a 5 hour and 28 minute spacewalk Saturday to remove a faulty ammonia pump on the International Space Station.
Expedition 38 crew member Mike Hopkins checks out the spacesuit he will wear outside the International Space Station on Saturday, Dec. 21, 2013.
NASA managers are postponing the upcoming Orbital Sciences commercial cargo resupply mission to the International Space Station to proceed with a series of spacewalks to replace a faulty pump module on the space station.
The Orbital Science Corporation Antares rocket is seen as it is raised into position at launch Pad-0A, Tuesday, December 16, 2013, at NASA's Wallops Flight Facility, Wallops Island, V
NASA and Orbital Sciences Corp. Saturday moved the targeted launch date of the Orbital-1 resupply mission to the International Space Station.
Those who travel to space are rewarded with a beautiful sight - planet Earth. But the effects of space travel on the human sense of sight aren't so beautiful.