Bill Nelson has stepped down as NASA administrator, ending a half-century of public service. Janet Petro is now the agency's ...

President Donald Trump asked SpaceX Founder Elon Musk to bring astronauts Butch Wilmore and Suni Williams back to Earth, ...

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

SpaceX is scheduled to bring home two astronauts who have been on the International Space Station since June. Mr. Musk said President Trump had asked for that to occur “as soon as possible.” ...

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, ...

While Suni Williams and Butch Wilmore’s situation is unusual, their return trip will be pretty routine, as they were already ...

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

NASA’s 1st woman acting administrator, Janet Petro, is leading the charge in space exploration. Learn how her career ...

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 ...