If Earth is round, why don't people on the other side of the world fall off? (see page 26) Is Mars red because it's embarrassed? (see page 49) If black holes ar

Who dug those canals on Mars? What was the biblical Star of Bethlehem? Were the pyramids built by extraterrestrials? From the ancients who charted the heavens t

Nine planets -- More than seventy moons -- And hundreds of stellar facts about the Solar System! True or False: 1. Venus is the coolest planet in our solar syst

With fascinating anecdotes about the world's most unusual places, the author answers intriguing questions and shows readers the longest river, coldest desert, t

Prepare to learn everything we still don’t know about our strange and mysterious universe Humanity's understanding of the physical world is full of gaps. Not