The first astronauts in more than 40 years from India, Poland and Hungary have arrived at the International Space Station, ...

The next presidential election is still a few years away, but Arizona's senators could be contenders in a wide-open ...

The next presidential election is still a few years away, but Arizona's senators could be contenders in a wide-open Democratic primary race.

Kelly, a former NASA astronaut, is the identical twin brother of Mark Kelly, also a NASA astronaut and a Democratic senator from Arizona. Scott Kelly and Mark Kelly are American astronauts and ...

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 ...

NASA astronaut Scott Kelly (left), Expedition 26 commander, is reunited with his twin brother, Mark Kelly on March 17, 2011, following a flight back to Ellington Field, Houston from Kustanay ...

Mark Kelly arrived at Daytona International Airport in his T-38 Talon jet, where he delivered autographed pictures of himself and his twin astronaut brother Scott, to Mazur's sons, Matt and Johnny.

Mark Kelly arrived at Daytona International Airport in his T-38 Talon jet, where he delivered autographed pictures of himself and his twin astronaut brother Scott, to Mazur's sons, Matt and Johnny.

Mark Kelly’s first campaign for office was decided by a coin toss. His twin brother, Scott, also wanted to be student congress president at their suburban New Jersey high school.

A former captain in the U.S. Navy, naval aviator and test pilot, Kelly became an astronaut with NASA's 1996 class of candidates, the same group that included his twin brother, Scott.

Patricia Kelly was the West Orange Police Department's first female police officer. Siblings: Mark Kelly has an identical twin brother, Scott Kelly, who also was an astronaut.