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, ...

A collection of Martian rocks could reveal details about potential past life on the Red Planet – but first NASA has to get ...

Janet Petro has been appointed as the acting administrator of NASA, the US space agency announced after President Donald ...

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

The second Trump administration started with soaring rhetoric about sending humans to Mars but confusion about who was ...

During his inaugural address, President Donald Trump said he wants 'American astronauts' on Mars. Where does a future Mars ...

President Donald Trump made a bold promise to America minutes after taking the Oath of Office: pledging that an American flag ...