NASA's new boss is a former Army captain and astronaut

As is often the case when a new presidential administration takes the reins, the election of President Joe Biden meant that NASA was almost certainly going to need a new Administrator. The position had been filled by Trump-appointed politician Jim Bridenstine for the previous four years, but Bridenstine made it clear after Biden's election that he was planning on stepping down. That's just as well, as it's highly unlikely that the Biden administration would have asked him to stay. In any case, a...