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 addressed to the next NASA administrator—who, if Trump’s nomination is confirmed, will be Shift4 CEO and SpaceX ally Jared Isaacman—Nelson highlighted the space agency’s work during his ...

NASA’s 1st woman acting administrator, Janet Petro, is leading the charge in space exploration. Learn how her career ...

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

Donald Trump's executive order calls for the federal government to define sex as only male or female and for that to be reflected on official documents such as passports and policies such as federal ...

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 ...

Janet Petro has been appointed as the acting administrator of NASA, the US space agency announced after President Donald <a ...