Lunar Gateway will be an orbiting habitat that will allow astronauts to make regular trips to and from the lunar surface. NASA has signed a contract with SpaceX to launch modules of the Gateway aboard a a Falcon Heavy rocket in 2024.
The agency is considering how to conduct science experiments on the Deep Space Gateway station, even while no crew members are on board.
There is growing interest in Europe to prioritize the moon as humanity's next deep-space destination. The moon, supporters say, can serve as a springboard to push the human exploration of the solar system, with Mars as the horizon goal.