Sen. Mark Kelly says Biden impeachment talks are 'a distraction and a waste of time'
Congress is back this week, Dem. Senator urges colleagues to avoid government shutdown.
Mark Kelly
Democrat Mark Kelly keeps Senate seat over Trump-endorsed Blake Masters in Arizona
In bid for continued Senate majority, Democrat Sen. Mark Kelly wins re-election over Trump-backed Republican candidate Blake Masters.
'Everybody Stretches' Without Gravity: Mark Kelly Talks About NASA's Twins Study
Kelly says his twin brother, Scott Kelly, who just returned to Earth after 340 days in space, was temporarily 2 inches taller. NASA is studying the pair to explore what spaceflight does to the body.
Scott Kelly Reflects On His Year Off The Planet
During his 340 days aboard the International Space Station, the astronaut documented his time there with hundreds of photos. Kelly says the perspective makes him feel like an environmentalist.
Mark Kelly and Gabby Giffords Coming To Winston-Salem
Astronaut Mark Kelly has worn many hats, from Gulf War combat pilot to space shuttle commander.
NASA To Study A Twin In Space And His Brother On Earth
During astronaut Scott Kelly's year in space, scientists will compare his physiology with that of his twin brother, Mark, to study the effect of prolonged space flight on the human body.