Nelson and NASA Deputy Administrator Pam Melroy left the agency on Monday (Jan. 20), the day that Donald Trump began his ...

NASA Administrator Bill Nelson has left the building, and while President Donald Trump’s nominee awaits a confirmation ...

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

"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.

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

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

With that in mind, Rocket Lab this week urged NASA to immediately launch an official commercial competition for MSR, and open up the project to competing bids. As Rocket Lab argues, other companies' ...

KENNEDY SPACE CENTER — With less than a month left to go before stepping down as head of NASA, Bill Nelson warns his stance on conflicts of interest might not be the same as his likely ...

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

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

Robert Cabana, a NASA associate administrator, astronaut, and a colonel in the United States Marine Corps, received the ...