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 ...

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.

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 ...

Space exploration would open the door to inhabiting different planets. Space travel provides an insurance policy of sorts. In case the Earth becomes unfit for life, then at least we’ll have a ...