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, ...

On Jan. 12, 1986, shuttle Columbia lifted off on the final successful shuttle mission before the Challenger disaster.

Janet Petro makes history as the first woman to lead NASA as acting administrator, bringing fresh perspectives to the ...

NASA proposes a faster, cheaper plan to bring Mars samples to Earth, aiming for delivery by the 2030s while cutting costs ...

An exploding budget and an unraveling schedule spell disappointment for NASA's mission to learn more about Mars's history.

NASA administrators are also accountable to elected officials. Administrators are appointed by the president but must be confirmed by the Senate. Congress has a great deal to say about the budget that ...

NASA's James Webb Space Telescope has captured the infrared glow of an ancient supernova's light echo, revealing ...

The second Trump administration started with soaring rhetoric about sending humans to Mars but confusion about who was leading NASA on an acting basis.

"Once again, the temperature record has been shattered — 2024 was the hottest year since record keeping began in 1880." ...

Speaking to a crowd at the Kennedy Space Center on Merritt Island, DeSantis said he spoke with NASA director Bill Nelson about the idea and there was "interest." The governor said moving to ...