Mark and Scott Kelly, twin brothers and former NASA astronauts, spoke to "CBS Mornings" about how the agency is set to lose ...

Sen. Mark Kelly, D-Ariz., was considered a potential vice presidential pick by Kamala Harris. The former NASA astronaut is married to Gabby Giffords, the former congresswoman who was shot in 2011.

Mark Kelly sworn in as US senator The former astronaut will be Arizona's second Democratic senator after defeating GOP Sen. Martha McSally by more the 78,000 votes in a special election.

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 ...

Investments, book deals and speaking engagements make former astronaut Mark Kelly one of the wealthier members of the US ...

Former astronauts U.S. Sen. Mark Kelly and retired Air Force Maj. Gen. Roy Bridges were inducted into the U.S. Astronaut Hall of Fame during a ceremony at Kennedy Space Center Visitor Complex on ...

Former NASA astronaut Mark Kelly is running for a Senate seat in Arizona. He is married to former Arizona Rep. Gabby Giffords, who was shot in the head at a "Congress on your corner" event in 2011.

Astronaut twins, Scott and Mark Kelly, prep for pioneering space study. — -- Astronaut Scott Kelly is poised to break the record for time in space for a U.S. Astronaut when he launches to the ...

Former astronaut Mark Kelly will be sworn in as a US senator for Arizona at noon ET on Wednesday, a senior Democratic aide told CNN. Kelly defeated Republican Sen. Martha McSally in a special ...

Senator Mark Kelly, a former astronaut, joined the Senate on Wednesday, becoming one of just two Democrats to unseat a Republican incumbent this year. Pool photo by Nicholas Kamm ...

Kelly has an identical twin, Scott Kelly, who was also a NASA astronaut. From 2015 to 2016, Scott spent nearly a year aboard the International Space Station, while Mark stayed on the ground.