Elon Musk doesn't just want to send astronauts to Mars — he wants to send your kids too. The SpaceX founder, who's spent years trying to make life "multiplanetary," shared an update in May that felt ...

Despite a high likelihood of dying even before arriving and daily conditions hostile to human life, Elon Musk said in an interview Sunday that he’ll probably move to Mars. The SpaceX and chief ...

The humans who move to Mars might not remain "human" for very long. Evolution is a powerful force, transcending planetary boundaries. As Rice University biologist Scott Solomon points out in his ...