FAA Administrator Michael Whitaker said in a Feb. 22 speech that industry needs to ensure safety of commercial human spaceflight must “meet that mission.” Credit: SpaceNews/Jeff Foust WASHINGTON — ...

Kelvin Coleman, FAA associate administrator for commercial space transportation, said in a conference panel that he expected another extension of the “learning period” restricting safety regulations ...

A great deal of evidence suggests that it is more difficult to learn a new language as an adult than as a child, which has led scientists to propose that there is a "critical period" for language ...