During much of the Cold War, America's first line of defense was in outer space: a network of secret satellites that could provide instant warning of an enemy m
"Sentinels of the Sun: Forecasting Space Weather". This book takes an in-depth look at how space weather affects us. Authors Barbara Poppe with Kristen Jorden.
From a master of science fiction comes this brilliant collection of short stories featuring "The Sentinel," the story that inspired his classic "2001: A Space O
2019 PRISM Award Winner! “The answer is no, Lyra,” my mother utters her favorite—I swear—phrase. No means I have to travel with them to another planet�