… — Nearly 30 former NASA astronauts have signed a letter … , signed by 28 former NASA astronauts and posted to social media … one of 28 former NASA Astronauts who signed this letter … administrator for space operations; and John Grunsfeld, a veteran of several …

… return. Yesterday, Williams and NASA astronaut Nick Hague embarked on a … joked:  'Frustrated with NASA, astronauts figure it's … , Williams was joined by NASA astronaut Nick Hague (right) for … 28 minutes, 9 spacewalks John M. Grunsfeld: 58 hours 30 …

… stuff — a point John Grunsfeld, NASA's former chief … used by astronauts during spacewalks. Credit: NASA NASA astronauts Butch Wilmore … station on purpose, where astronauts hung it outside. … comparison.  U.S. astronauts already conduct quarterly studies …

… is not part of the NASA astronaut corps and has closer ties … statement. John Grunsfeld, a former NASA associate administrator for science and an astronaut who … . Starship is needed by NASA to ferry astronauts to and from lunar …

… entrepreneur, private astronaut, and pilot, as the head of NASA. The statement … reached out to John Grunsfeld, who served as NASA’s chief scientist during … . Grunsfeld, a former astronaut who was the principal repairman on three of NASA …

… Aeronautics and Space Administration (NASA).  Isaacman financed and … paid for it.” John Grunsfeld, a former NASA associate administrator for … from the NASA contractor or the science side,” Grunsfeld said. … aboard was a professional astronaut. Instead of taking …

… to Lead NASA? NASA’s presumptive next leader, billionaire private astronaut Jared … entrepreneur, aviator and private astronaut, to lead NASA. The selection comes … be a distraction.” John Grunsfeld, a former astronaut and former NASA science chief, who …

… citizens and boasted no professional astronaut in its crew. Not unlike … government background. John Grunsfeld, a former NASA associate administrator and an astronaut, told The … come from the NASA contractor or the science side,” Grunsfeld said. ” Are …

… Committee on Space Research COSPAR; John Grunsfeld, PhD, NASA astronaut and administrator; Mae Jemison … laureate; Scott Kelly, retired NASA astronaut; Salman Khan, founder and … Physics laureate; Nicole Stott, NASA astronaut; Andrew Strominger, professor of …

… S astronaut John Glenn in the telemetry control room aboard the NASA tracking … talks with former Senator and Astronaut John Glenn, left, and gubernatorial candidate … NASA astronauts, from left, John Glenn and Harrison H. Schmitt (along with John M. Grunsfeld …