Elon Musk says he wants to send one million people to Mars by the year 2050. The SpaceX CEO has become famous for making huge promises about colonizing the red planet. But how many of those ideas are ...

Musk’s announcement comes as NASA plans to send four astronauts around the Moon on a crewed flyby in the Artemis II mission scheduled for this year, marking the first crewed deep-space flight in over ...