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

NASA Administrator Bill Nelson has left the building, and while President Donald Trump’s nominee awaits a confirmation hearing, the head of Kennedy Space Center will keep things afloat. Nelson, who flew to space on board Space Shuttle Columbia while a member of the House of Representatives,

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

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

NASA Administrator Bill Nelson has left the building, and while President Trump’s nominee awaits a confirmation hearing, the head of Kennedy Space Center will keep things afloat. Nelson ...

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

Janet Petro has been appointed as acting Nasa administrator, being the first woman to lead the agency. She expressed gratitude for the role and emphas

NASA Administrator Bill Nelson has left the building, and while President Donald Trump’s nominee awaits a confirmation hearing, the head of Kennedy Space Center will keep things afloat.

AI-powered chatbot, DeepSeek’s app quickly topped Apple’s App Store charts, a notable achievement given U.S. restrictions on Chinese access to advanced AI chips. Shares in major tech firms such as Nvidia fell sharply,

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove degraded hardware and swab for microorganisms.

Renowned NASA astronauts Suni Williams and Butch Wilmore are still stuck in space at the International Space Station (ISS) and in a latest development, Tesla CEO Elon Musk and NASA asserted that when will they finally coming back to earth again.