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 ...

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

传统上，任命NASA局长并非新一届总统政府的首要任务。尽管内阁级职位的提名往往在就职日前数月便已公布，但NASA局长的人选却常常拖延数月。乔·拜登总统在2021年3月提名比尔·纳尔逊（Bill ...

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, ...

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

NASA Administrator Bill Nelson stepped down on Monday after President Donald Trump was inaugurated, and the departing space agency chief had some words of advice for his replacement. In a letter ...

Nelson and NASA Deputy Administrator Pam Melroy left the agency on Monday (Jan. 20), the day that Donald Trump began his second term as president. Trump has appointed Janet Petro, who most recently ...