Astronaut Mark Kelly takes a moment for a photo near the commander's station on the forward flight deck of Space Shuttle Discovery during the STS-124 mission.

Sen. Mark Kelly's visit to the Kennedy Space Center on Saturday was a homecoming of sorts for the former astronaut, who last visited Cocoa Beach, Florida, in 2011 after commanding the Space ...

Sen. Mark Kelly's visit to the Kennedy Space Center on Saturday was a homecoming of sorts for the former astronaut, who last visited Cocoa Beach, Florida, in 2011 after commanding the Space ...

Arizona Sen. Mark Kelly knows a few things about objects in outer space, including those that make their way to Earth.

Life as an astronaut was scheduled to the minute. That changed for Mark Kelly when his wife, Gabby Giffords, was shot outside a Tucson-area Safeway.

Senators introduce a resolution to designate June 30 as National Asteroid Day, emphasizing planetary defense and public ...

Mark Kelly is sworn in as Arizona's newest senator by Vice-President Mike Pence while standing next former Arizona congresswoman Gabrielle Giffords on the Senate floor in Washington, Dec. 2, 2020.

Mark Kelly gained fame as an astronaut, but as many got to know him as the husband of Gabrielle Giffords, questions arose about his political future.

NASA astronaut Mark Kelly on the flight deck of the space shuttle Discovery during the STS-124 mission in June 2008. (Image credit: NASA) Kelly logged more than 54 days on four space shuttle missions.

Senator Mark Kelly, a former astronaut, joined the Senate on Wednesday, becoming one of just two Democrats to unseat a Republican incumbent this year. “Do you solemnly swear that you will ...

Democrat Mark Kelly joined a small club with his victory this week, becoming the fourth NASA astronaut elected to Congress, after flipping an Arizona Senate seat held by Republican Martha McSally.

Sen. Mark Kelly and his twin brother clashed with Trump adviser and world’s richest man Elon Musk after Musk claimed that a pair of astronauts were left on the International Space Station for ...