NASA, Bill Nelson and Space Shuttle Columbia
Bill Nelson retires as NASA administrator; Janet Petro steps in as acting chief, awaiting Jared Isaacman’s confirmation.
An exploding budget and an unraveling schedule spell disappointment for NASA's mission to learn more about Mars's history.
NASA proposes a faster, cheaper plan to bring Mars samples to Earth, aiming for delivery by the 2030s while cutting costs ...
Robert Cabana, a NASA associate administrator, astronaut, and a colonel in the United States Marine Corps, received the ...
In a letter addressed to the next NASA administrator—who, if Trump’s nomination is confirmed, will be Shift4 CEO and SpaceX ...
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