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 ...

Here's how things got so out of hand. Following is a transcript of the video. The 21st-century space race is here. And in the midst of it all is a battle of the billionaires. On one side you have ...

already delivers supplies to the International Space Station, and their next step is delivering astronauts too. But their true ambition is to ensure the survival of the human race by crossing our ...

A new age of space exploration is dawning. Take a look at some of the boldest efforts from around the world, as they compete to put humans in outer space. Unfortunately 21st Century Race for Space ...