Mark Kelly’s identical twin brother, Scott Kelly, was inducted into the Astronaut Hall of Fame in 2020. The Kelly brothers were part of the same NASA class in 1996.

Sen. Mark Kelly (D-Ariz.) and his brother, Scott Kelly, both retired astronauts, on Friday called out tech billionaire Elon ...

Kelly, along with his twin brother, was a NASA astronaut Sen. Mark Kelly of Arizona is one of nine Kamala Harris may be considering as a running mate. News Space Sports Opinions Restaurants ...

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 ...

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 ...

Scott Kelly and Mark Kelly are American astronauts and identical twin brothers. They participated in NASA's Twins Study, conducted between 2015 and 2018.

Sen. Mark Kelly of Arizona is one of nine Kamala Harris may be considering as a running mate. Kelly, along with his twin brother, was a NASA astronaut ...

Sen. Mark Kelly (D-Ariz.) and his brother, Scott Kelly, both retired astronauts, on Friday called out tech billionaire Elon Musk over his attacks on an astronaut on his social platform X. “Hey ...

To surprise astronaut Scott J. Kelly for his Feb. 21, 2016, birthday during his one-year mission aboard ISS, his twin brother astronaut Mark E. Kelly arranged for the delivery of a life-size ...

Sen. Mark Kelly (D-Ariz.) and his brother, Scott Kelly, both retired astronauts, on Friday called out tech billionaire Elon Musk over his attacks on an astronaut on his social platform X. “Hey ...