Twins In Space: NASA's Twin Astronauts Mark and Scott Kelly (Photos)

Shuttle Astronauts to Dock at Space Station Today

Former schoolteacher and STS-118 mission specialist Barbara Morgan (left) and Commander Scott Kelly share thoughts on their spaceflight on Aug. 9, 2007. Image: NASA TV.

Mission Endeavour: Shuttle Commander, Pilot Aim for Orbit


Astronaut Scott Kelly, STS-118 commander, dons a training version of his shuttle launch and entry suit in preparation for a training session in the Space Vehicle Mockup Facility at Johnson Space Center.

Mark Kelly Videochats with His Wife

Gabrielle Giffords

Rep. Gabrielle Giffords posted this picture of her husband, astronaut Mark Kelly, video-chatting from space on her Twitter account. Kelly was commanding the space shuttle Endeavour's STS-134 mission to the International Space Station at the time in May 2011.

President Barack Obama, First Lady Michelle Obama and Mark Kelly at Tucson Memorial Service

White House/Pete Souza

President Barack Obama, First Lady Michelle Obama and Mark Kelly (at far right), the husband of Rep. Gabrielle Giffords, listen to remarks by Daniel Hernandez, the intern who helped save the life of Rep. Giffords during the Tucson shootings. This memorial service took place at the University of Arizona in Tucson, Ariz., on Jan. 12, 2011.

President Obama Meets the STS-134 Crew

NASA/Bill Ingalls

President Barack Obama and First Lady Michelle Obama share a laugh with STS-134 space shuttle Endeavor commander Mark Kelly (with back to camera), right, and shuttle astronauts, from left, Andrew Feustel, European Space Agency’s Roberto Vittori, Michael Fincke, Gregory H. Johnson, and Greg Chamitoff, after their launch was scrubbed, Friday, April 29, 2011, at Kennedy Space Center in Cape Canaveral, Fla.

Mark Kelly in T-38 Training Jet


Astronaut Mark Kelly, STS-121 pilot, prepares for a flight in a NASA T-38 trainer jet at Ellington Field near Johnson Space Center.

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