Our Best Bet for Colonizing Space May Be Printing Humans on Other Planets

Assuming human deep space travel turns out to be not just incredibly dangerous, but perhaps “crazy idiotic” and “laughable,” as Harvard biologist Gary Ruvkun put it, the tenacious dream of an interstellar civilization forces some out-of-the box thinking. What if, instead of rocketing humans to other planets, we made an exact copy on site? Advertisements

NASA's Cassini spacecraft glided high above Saturn in October to capture this 36-image mosaic of the ringed planet. The colors of the planet appear natural, just as the human eye would see them. Click through to see more Cassini images of Saturn and its moons.

Signs of Underground Ocean found on Saturn Moon

An ocean at least as large as Lake Superior lies below a thick layer of ice on a moon of Saturn, new data from NASA’s Cassini spacecraft suggests.   The results, published in the journal Science, support earlier signs that this small moon has liquid water.