Key FactsHoward Hu, who oversees the Orion spacecraft used in the Artemis program, told the BBC's Sunday with Laura Kuenssberg NASA hopes to have humans living on the moon during "this decade," though it's not clear how long they might stay on the lunar surface or in what capacity.Artemis 2 is expected to take humans into the moon's orbit in 2024, while humans are set to step foot on the moon once again during the Artemis 3 mission in 2025, though NASA has cautioned that timetable could be pushed back.Crucial Quote"It's really going to be very important for us to learn a little bit beyond our Earth's orbit and then do a big step when we go to Mars," Hu told the BBC.Key BackgroundThe $93 billion Artemis program has been in the works for years with a goal of establishing a human presence on the moon ahead of Mars voyages.Further ReadingArtemis: Nasa expects humans to live on Moon this decade (BBC)Leaving A Planet In Crisis: Here’s Why Many Say The Billionaire Space Race Is A Terrible Idea (Forbes)NASA’s Artemis 1 Mission Finally Takes Off Towards Moon—Another Small Step For Humankind Returning To Lunar Surface (Forbes)"