Elon Musk will send 1 million people to Mars by 2050, ready to lend if you don't have enough money
In a series of tweets on Thursday, Elon Musk revealed new details about a plan to build a 1 million city on Mars by 2050.Facing death, many people still want to go to Mars
Many people apply for a flight to Mars by private spacecraft even though they know they can die during the flight.