Cosmonaut Oleg Kononenko, now the world's most experienced spaceman, first-time flier Nikolai Chub and NASA veteran Tracy Dyson undocked from the International Space Station and returned to Earth on ...

FILE - From left: CSA astronaut David Saint Jacques, Russian cosmonaut Оleg Kononenko and U.S. astronaut Anne McClain pose for a photo before their final preflight practical examination in a mock-up ...

MOSCOW (Reuters) -Russian cosmonaut Oleg Kononenko on Sunday set a world record for total time spent in space, surpassing his compatriot Gennady Padalka who logged more than 878 days in orbit, ...

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June 5 (UPI) --Russian cosmonaut Oleg Kononenko on Wednesday literally set an out-of-this-world record when he became the first human to spend a total of 1,000 days in space. "Today, at 00:00:20 ...

Two Russian spacewalkers floated outside the International Space Station Wednesday and isolated a leaking radiator as planned, apparently causing residual coolant still trapped inside to make its way ...

Russian cosmonaut Oleg Kononenko has broken the world record for the most cumulative time spent in space, Russia’s space agency Roscosmos reported Sunday. The 59-year-old has now spent more than 878 ...

Engineers readied a Russian Soyuz spacecraft for launch Friday to carry a veteran cosmonaut commander, a rookie co-pilot and a NASA astronaut on a flight to the International Space Station. NASA's ...

FILE _ Russian cosmonaut Oleg Kononenko, a crew member of the next mission to the International Space Station, attends a news conference at the Russian leased Baikonur Cosmodrome, in Kazakhstan, on ...

Feb. 5 (UPI) --Russian cosmonaut Oleg Kononenko has set a world record for the most time in space, clocking in at more than 878 days Sunday -- nearly two-and-a-half years -- as he celebrated the ...