A deep dive into one of science?s great unknowns: Extraterrestrial life

In the News

A deep dive into one of science?s great unknowns: Extraterrestrial life

Of all the unknowns in science, the greatest may be extraterrestrial life. Despite stunning advances in astronomy and planetary science, alien life forms — whether microbial and slimy, animated and bounding around, or highly technological and spacefaring — remain conjectural. That doesn’t mean they aren’t a worthy subject to write a book about.

Lisa Kaltenegger proves that with “Alien Earths,” which explains for lay audiences the young field of astrobiology and describes intriguing and potentially habitable worlds that have only recently been discovered around distant stars. This is a science book through and through, and will disappoint anyone who wants to hear that the aliens are already here, secretly zipping around.