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 Donald Trump’s nominee awaits a confirmation ...

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

Nelson, who flew on Space Shuttle Columbia in 1986 while in Congress, was sworn in as the 14th head of NASA on May 3, 2021, taking over from the only other elected official to lead it, former ...

KENNEDY SPACE CENTER — With less than a month left to go before stepping down as head of NASA, Bill Nelson warns his stance on conflicts of interest might not be the same as his likely ...