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, ...
On Jan. 12, 1986, shuttle Columbia lifted off on the final successful shuttle mission before the Challenger disaster.
NASA hopes a revised plan will get Mars samples back to Earth faster and cost less than the agency's original plan.
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 ...
CAPE CANAVERAL, Fla. (AP) — NASA is pitching a cheaper and quicker way of getting rocks and soil back from Mars, after seeing its original plan swell to $11 billion. Administrator Bill Nelson ...
NASA's mission to return samples from Mars and potentially discover the first signs of alien life has a new timeline. The ...