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, ...

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

Janet Petro makes history as the first woman to lead NASA as acting administrator, bringing fresh perspectives to the agency's missions and a renewed focus on science, engineering, and gender ...

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

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

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

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 ...

For nearly half a century, NASA has been talking an awfully good game about its much-heralded Mars Sample Return (MSR) project. As long ago as 1978, the space agency requested funding to develop a ...