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 ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolith, hued ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our own solar system? While distant galaxies reveal clear signs of something ...

"When it comes to exploration, there is no private option." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The government may be shut down, but ...

So why is NASA launching fewer telescopes and planetary science missions than it did a quarter-century ago? The answer is complex. It is not necessarily the money. The space agency’s science budget ...