For decades, the European Space Agency (ESA) has been a sort of trusted sidekick for the much larger NASA. In some respects, that continues to this day, as ESA is backing the Americans' push for the ...

There is a chamber at NASA's Johnson Space Center in Houston that is, in its own way, one of the most extraordinary rooms on Earth. Chamber A is one of the largest thermal vacuum facilities in the ...

A suggestion made last week by acting NASA administrator Sean Duffy that SpaceX could be booted from the agency’s upcoming moon-landing plans has rocked the space industry. Now, behind the scenes, ...

America's most daring, extraordinary feat—landing astronauts on the moon—remains the pinnacle of achievement by anyone anywhere. Ever. And the lunar lander—a groundbreaking piece of America—is up ...