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 ...

Bill Nelson retires as NASA administrator; Janet Petro steps in as acting chief, awaiting Jared Isaacman’s confirmation.

A collection of Martian rocks could reveal details about potential past life on the Red Planet – but first NASA has to get ...

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

NASA's mission to return samples from Mars and potentially discover the first signs of alien life has a new timeline. The samples may arrive sooner.

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 ...

Administrator Bill Nelson presented a revised scenario Tuesday, less than two weeks before stepping down as NASA’s chief when President-elect Donald Trump is inaugurated. Nelson said he “pulled the ...

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 ...

On this date in 1986, then-U.S. Rep. Bill Nelson (now outgoing NASA administrator) and six additional astronauts launched aboard Space Shuttle Columbia on STS 61C. Shuttle flights had become fairly ...

A bill authored by Senator Carla Nelson (R-Rochester) to help make medical supplies more affordable for Minnesotans was heard ...