Firefly Aerospace’s successful moon lander has yielded a trove of data that scientists will pore over for years.

About five years ago, the Trump-appointed administrator of NASA, Jim Bridenstine, revealed the name of the program that would return humans to the Moon. It was to be Artemis, from a Greek goddess who ...

Unlike Apollo—which used a single spacecraft comprising a mothership and lunar lander—Artemis III will see Orion dock with ...