A professor of engineering breaks down what the 'Oumuamua projectile could possibly be and the secrets it could hold–but we still have no definite answers.
Today, NASA released the highest-resolution photos ever made of the dwarf planet Pluto. We've posted them alongside contemporary accounts of the ice dwarf's discovery, 85 years ago.
http://www.youtube.com/watch?v=8jAlE_HLDj8 This morning’s announcement that NASA wants to build a manned moon base by 2017 suggests Democrats and Republicans…