Bill Nelson has stepped down as NASA administrator, ending a half-century of public service. Janet Petro is now the agency's ...

NASA Administrator Bill Nelson has left the building, and while President Trump’s nominee awaits a confirmation hearing, the ...

"America is leading humanity back to the Moon, onward to Mars, and into a golden age of space exploration," Nelson wrote, ...

In a letter to his replacement, outgoing NASA leader Bill Nelson emphasizes the agency’s activities ‘transcend the length of ...

Renowned NASA astronauts Suni Williams and Butch Wilmore are still stuck in space at the International Space Station (ISS) ...

The founder of SpaceX said President Trump had asked his company to return two astronauts aboard the space station to Earth ...

In a statement to CNN, former NASA Administrator Bill Nelson — who helmed the agency under Biden and stepped down from the post when Trump took office earlier this month — said, “SpaceX will ...

While Suni Williams and Butch Wilmore’s situation is unusual, their return trip will be pretty routine, as they were already ...

NASA Administrator Bill Nelson stepped down on Monday after President Donald Trump was inaugurated, and the departing space agency chief had some words of advice for his replacement. In a letter ...

NASA Administrator Bill Nelson has left the building, and while President Trump’s nominee awaits a confirmation hearing, the head of Kennedy Space Center will keep things afloat. Nelson ...