"Hey @ElonMusk, when you finally get the nerve to climb into a rocket ship, come talk to the three of us," Captain Mark Kelly ...

Arizona's U.S. Sen. Mark Kelly and his twin brother, Scott Kelly, slammed Elon Musk after he insulted another astronaut on X.

Union support still matters in Democratic politics and Kelly has moved to erase organized labor's doubts about him.

SpaceX CEO Elon Musk is continuing to burn bridges with the international space community following a spat with a former ...