A little more than a year after dismissing the moon as a “distraction,” Elon Musk says SpaceX will focus on lunar settlement before sending humans to Mars.

Michael Grimes is leaving the government to return to Morgan Stanley and work on possibly the biggest initial public offering ever

"That said, SpaceX will also strive to build a Mars city and begin doing so in about 5 to 7 years, but the overriding priority is securing the future of civilization and the Moon is faster," Musk adde...