Would-be regulators seem determined to insert themselves into the final frontier. The only saving grace is that if they want to assert their presence, they'll have to hitch a ride from a private space ...

Since NASA's Mars Reconnaissance Orbiter arrived at Mars in 2006, the spacecraft has delivered some of the most detailed ...

"It's really not a question of robotic exploration or human exploration," Ehlmann said. "It is an 'and' — it's robotic and human exploration and how we do these best together." When you purchase ...

More than half a century after humans set foot on the Moon, the final frontier still fuels our imagination. Back then, it was all about doing what had never been done before and doing it first. In ...

In his 1961 novel The Winter of Our Discontent, John Steinbeck wrote of loss, “It’s so much darker when a light goes out than ...

Humans have been exploring space since 1957, when the Soviet Union launched Sputnik 1. At the height of the space race, government agencies conducted all space missions, but that’s no longer the case.

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 ...