A sixteen-year-old must battle his way across a thousand miles of deadly lunar terrain and face genetically altered super warriors in his quest to recover an as

Sixty-five million years ago, a comet or asteroid larger than Mount Everest slammed into the Earth, inducing an explosion equivalent to the detonation of a hund

The phases bring the Moon to life and highlight the complex moonscape of hills and ridges and dark and light areas. This book is designed to give you the basics

The authors have synthesized 16 years of geological and geophysical studies which document an 85-km-wide impact crater buried 500 m beneath Chesapeake Bay in so

The battle of the Crater is known as one of the Civil War's bloodiest struggles -- a Union loss with combined casualties of 5,000, many of whom were members of