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 ...

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 ...

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

NASA employees received a memo from acting agency administrator Janet Petro, Wednesday, mandating the closure of all ...

Breaking Barriers in Space Leadership! Janet Petro has made history as the first woman to lead NASA as its acting ...

NASA hopes a revised plan will get Mars samples back to Earth faster and cost less than the agency's original plan.

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 ...

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