"The challenge that we're working through is evacuating the tank." ...

Private companies are no longer peripheral participants in U.S. space activities. They provide key services, including launching and deploying satellites, transporting cargo and astronauts to the ...

The argument comes up every time a rocket launches or a new space mission gets announced. People look around at climate chaos, inequality, broken systems, and wonder why on earth we’re pouring time ...

The Artemis II mission sending a manned spacecraft to explore the dark side of the Moon raises an important debate.

China routinely sends astronauts to and from its space station Tiangong. A crew capsule is about to undock from the station and return to Earth, but there’s nothing routine about its journey home. The ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. We live in an extraordinary period of exploration. Over the last few decades, humanity ...