Janet Petro became the first woman to lead NASA on Jan. 20, after U.S. President Donald Trump appointed her to be acting administrator on his first day back in office. Here's what we know about the ...

Then-NASA Acting Administrator Janet Petro speaking at the 40th Space Symposium April 8. Credit: Tom Kimmell Photography It’s rare for protestors to show up outside NASA headquarters in Washington — ...

NASA told its employees that it will close three departments, including the Office of the Chief Scientist, as part of the agency's reorganization plans.