Today, space travel for the average person is no longer a matter of "if" but "when," thanks to the imaginations of self-funded business magnates with an eye on the sky. Space is the tourism ...

NASA aims to travel to the moon again—and beyond. Here’s a look at the 21st-century race to send humans into space. Private spaceflight is not a new concept. In the United States, commercial ...

Jeff Bezos and Elon Musk, two tech moguls with grand visions for exploring and settling humans in space, have increasingly ... Here's a short timeline of how they got to this point.