One Year after Chelyabinsk: Action on Planetary Defense

It has been over a year since the space rock explosion over Chelyabinsk, Russia. The February 15, 2013 event damaged thousands of houses and other structures, shattered windows, and injured many people due to broken glass due to the powerful atmospheric blast. That...

Book Review: America’s Space Futures – Defining Goals for Space Exploration

America’s Space Futures: Defining Goals for Space Exploration, Editor Eric Sterner; George C. Marshall Institute, Arlington, Va.; $12.99, shipping and handling $3.99; (soft cover); 2013. The George C. Marshall Institute has published a thought-provoking new book,...