In The Feynman Series (part 1) —Beauty, physicist Richard Feynman extols the advantages of living with "doubt and uncertainty and not knowing" when making explorations into the nature of things. The images are exquisite. (The other two parts are Honors and Curiosity.)
If this puts you a contemplative mood, you might want to have a look at The Best American Science and Nature Writing 2010. Of course we have a panoply of science books of every stripe, from The Story of Science: From Antiquity to the Present to books about Galileo, galaxies, the hole in the universe, sleep disorders, the emperor of all maladies, and much more.