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, ...

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

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

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

Renowned NASA astronauts Suni Williams and Butch Wilmore are still stuck in space at the International Space Station (ISS) ...

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

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

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