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 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 ...

President Donald Trump and Elon Musk announced this week that SpaceX, the space exploration company founded by Musk, will be ...

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

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

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

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

After a long career as a politician from Florida, former astronaut Bill Nelson has served as NASA's administrator for the last three and a half years. He intends to resign from this position in about ...

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

Mars represents one of the most promising locations in our solar system to search for signs of past or present life ...