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

Sen. Mark Kelly (D-AZ) blasted Elon Musk Friday, implying the SpaceX CEO was too afraid to travel into space as two other astronauts also laid into the billionaire. Kelly’s attack on Musk came after the senator’s brother defended a Danish astronaut who Musk described as “fully retarded” on social media Thursday.

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

Elon Musk has made unfounded claims that two NASA astronauts were left on the space station for "political reasons" after their Boeing spacecraft ran into problems.

Elon Musk's recent claims about astronauts Sunita Williams and Butch Eilmore being stranded due to political reasons sparked backlash from the astrona

SpaceX CEO Elon Musk is continuing to burn bridges with the international space community following a spat with a former astronaut, who publicly called him out for lying to the public. Earlier this month,

Criticism has mounted over the Jewish civil rights group’s speedy determination on Monday. Hours after President Donald Trump’s inauguration, many Jewish groups sounded the alarm when Elon ...

President Donald Trump welcomed French President Emmanuel Macron to the White House for talks on Monday at a moment of deep uncertainty

Defense Secretary Pete Hegseth has ordered senior military and Defense Department officials to draw up plans to cut 8 percent from the defense budget over each of the next five years, officials said on Wednesday.

Senate Republicans on Monday criticized Elon Musk’s directive for federal government employees to lose their jobs if they did not send in a bullet-pointed summary of what they did last week at