Interlune is developing robots to harvest a valuable gas on the lunar surface that could have a big impact on Earth. In the lobby of Interlune, a 3-foot-wide tabletop diorama shows an idyllic, ...

NASA is fast-tracking a plan to build a nuclear reactor on the moon by 2030 under a new directive from the agency’s interim administrator Sean Duffy. The plan revives a decades-old dream of scaling up ...

A few months ago, I flew to Houston to visit a small startup called Lunar Resources, which aspires to build the largest telescope in the solar system—not on Earth but on the far side of the moon.