Astronomy is an ancient science on the cutting edge. Although it's been around for more than 5,500 years, astronomers say that we've learned more than 90 percen
Astronomy is a science as old as the stars! With The Complete Idiot’s Guide® to Astronomy, Second Edition, learn: • Fascinating facts while taking a tour o
Looks at religious, philosophical, and scientific theories surrounding the nature and origin of the universe, covering such topics as the Big bang theory, gener
“Why are most plants green?” Why doesn’t stomach acid dissolve the stomach itself? Why are there more tornados in the Midwest than on the coast? This volu