An annihilation force of invading aliens. Human civilization on the brink of extinction. Earth’s only hope—seven cadets and the legendary starship they were

Earth's population has been decimated by disease, and fourteen-year-old Corgan, genetically engineered to be the perfect warrior, plays an important part in the

Easy-to-follow explanations help you understand the underlying causes of all types of disasters.

Every city has an environmental story, perhaps none so dramatic as Pittsburgh's. Founded in a river valley blessed with enormous resources-three strong waterway

A deeply compelling and poignant story about the tragic lessons of war and the endurance of memory. In the last months of World War II, a man wakes in a field i