Bill Nelson has stepped down as NASA administrator, ending a half-century of public service. Janet Petro is now the agency's ...

In a letter to his replacement, outgoing NASA leader Bill Nelson emphasizes the agency’s activities ‘transcend the length of ...

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, ...

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

The founder of SpaceX said President Trump had asked his company to return two astronauts aboard the space station to Earth ...

While Suni Williams and Butch Wilmore’s situation is unusual, their return trip will be pretty routine, as they were already ...

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

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

NASA recently deemed this situation unacceptable. In April 2024, agency chief Bill Nelson announced that an overhaul of the ...

The Mars Sample Return mission has been ranked as the highest priority by planetary scientists, who hope to find signs of ...

Janet Petro will become the first female to lead NASA. She will replace the 14th NASA administrator, Bill Nelson. Here's all ...