Spacewalkers Ready for US EVA-37, Days Ahead of Expedition 48 Crew Return

Jeff Williams led today's U.S. EVA-37, wrapping up his fifth career spacewalk and accruing a total of almost 32 hours in vacuum. Photo Credit: NASA

Expedition 45 spacewalker Kjell Lindgren works to restore the P-6 cooling system to its pre-2012 configuration during U.S. EVA-33 in November 2015. He and Scott Kelly ultimately left the Trailing Thermal Control Radiator (TTCR) fully deployed when the crew ran out of time and encountered other difficulties. Photo Credit: NASA

Less than a week […]

Kelly and Kornienko's Year-Long Mission Paves Way for Journey to Mars

With 520 cumulative days in space, and 340 days from his (almost) one-year mission aboard the International Space Station (ISS), Scott Kelly is now the national record-holder for the longest single space mission and the greatest amount of spaceflight time of any U.S. citizen. Photo Credit: NASA

With 520 cumulative days in space, and 340 days from his (almost) one-year mission aboard the International Space Station (ISS), Scott Kelly is now the national record-holder for the longest single space mission and the greatest amount of spaceflight time of any U.S. citizen. Photo Credit: NASA

For the first time in almost five […]

One-Year Crew Prepares to Depart Space Station for Return to Earth

With Sergei Volkov (center) commanding the return to Earth, One-Year crewman Scott Kelly (left) and Mikhail Kornienko will wrap up the longest single space mission of the 21st century next week. Photo Credit: NASA/Scott Kelly/Twitter

With Sergei Volkov (center) commanding the return to Earth, One-Year crewman Scott Kelly (left) and Mikhail Kornienko will wrap up the longest single space mission of the 21st century next week. Photo Credit: NASA/Scott Kelly/Twitter

Scott Kelly has certainly been waxing lyrical recently, as he wraps up the last couple of percent of his […]

Into the Homestretch: Kelly and Kornienko to Pass 300 Days in Space, Heading for 2 March Return to Earth

At 2:43 p.m. EST on 21 January 2016, Scott Kelly becomes the first American citizen to have spent 300 days, continuously, in space on a single mission. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

At 2:43 p.m. EST on 21 January 2016, Scott Kelly becomes the first American citizen to have spent 300 days, continuously, in space on a single mission. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

At 2:43 p.m. EST today (Thursday, 21 January), NASA astronaut Scott Kelly—incumbent skipper of the International Space Station (ISS), as Commander […]

Space Station Crew Returns to Earth After 4.5 Months in Space

At the instant of undocking, Expedition 45 ended and Expedition 46 began, both under the command of NASA astronaut Scott Kelly. This tweeted image from Kelly shows the spacecraft backing away from the International Space Station (ISS), prior to its return to Earth. Photo Credit: NASA/Twitter/Scott Kelly

Spectacular view of Soyuz TMA-17M’s descent into the “sensible” atmosphere, as viewed by Expedition 46 Commander Scott Kelly, aboard the International Space Station (ISS). Photo Credit: NASA/Scott Kelly/Twitter

Two weeks ahead of Christmas, and 11 days sooner than originally manifested, the Soyuz TMA-17M spacecraft and its crew of Russian cosmonaut Oleg Kononenko, U.S. astronaut […]

'What an Honor': Space Station Crew Prepares for Friday Return to Earth

After 4.5 months in orbit, U.S. astronaut Kjell Lindgren and his crewmates Oleg Kononenko and Kimiya Yui will return to Earth tomorrow (Friday, 11 December). Photo Credit: NASA

After 4.5 months in orbit, U.S. astronaut Kjell Lindgren and his crewmates Oleg Kononenko and Kimiya Yui will return to Earth tomorrow (Friday, 11 December). Photo Credit: NASA

Eleven days sooner than originally planned, the Soyuz TMA-17M crew of Russian cosmonaut Oleg Kononenko, U.S. astronaut Kjell Lindgren and Japan’s Kimiya Yui are set to […]

OA-4 Cygnus Cargo Ship Arrives at Space Station, Ahead of Soyuz TMA-17M Crew Departure

Proudly displaying its circular, fan-like UltraFlex solar arrays, the OA-4 Cygnus spacecraft is pictured shortly before being grappled by Canadarm2. Photo Credit: Scott Kelly/NASA/Twitter

Less than two days before his scheduled return to Earth, NASA astronaut Kjell Lindgren has completed his last major activity as a member of the Expedition 45 crew aboard the […]

Cygnus Soars Under Overcast Skies on Return to Space Station After Days of Weather Delays

Launch of Orbital ATK's Cygnus OA-4 cargo ship to resupply the International Space Station Dec. 6, 2015, flying off pad 41 atop a Unbited Launch Alliance Atlas-V booster from Cape Canaveral, Fla. Photo Credit: Mike Killian / AmericaSpace

Launch of Orbital ATK’s Cygnus OA-4 cargo ship to resupply the International Space Station Dec. 6, 2015, flying off pad 41 atop a Unbited Launch Alliance Atlas-V booster from Cape Canaveral, Fla. Photo Credit: Mike Killian / AmericaSpace

After three scrubbed launch attempts—most recently on Saturday, 5 December, which was called off just before […]

Weather Keeps Cygnus Grounded for Second Day in a Row, Will Try Again at Sunset Saturday

Atlas-V with Cygnus OA-4 standing on the pad waiting for weather to cooperate. Next launch attempt is Saturday at 5:10 p.m. EST. Photo Credit: John Studwell / AmericaSpace

For the second time in as many days, United Launch Alliance (ULA) has postponed its record-tying ninth Atlas launch of 2015, due to inclement weather conditions. The mission is carrying Orbital ATK’s long-awaited OA-4 Cygnus cargo mission, bound for the International Space Station (ISS). The Centennial, Colo.-based launch provider’s workhorse Atlas V—flying in its […]

All Systems GO for Twilight Return of Cygnus to Space Station on Atlas-V Thursday

December's OA-4 mission marks the first flight of Orbital ATK's new "Enhanced Cygnus." Photo Credit: John Studwell / AmericaSpace

December’s OA-4 mission marks the first flight of Orbital ATK’s new “Enhanced Cygnus.” Photo Credit: John Studwell / AmericaSpace

More than a year since the catastrophic loss of its ORB-3 mission—which fell back onto Pad 0A at the Mid-Atlantic Regional Spaceport (MARS) on Wallops Island, Va., following the failure and explosion of its Antares […]