Asteroid Impacts on Earth: Sweat the Small Stuff

In dealing with asteroids that could cause damage to people and property, Earth has a blind spot. According to space rock expert, Jay Melosh, a distinguished professor of earth, atmospheric and planetary sciences and physics at Purdue University in West Lafayette,...

NASA Provides New Details of Future Human Asteroid Exploration Mission

  Experts within NASA and outside are making strides in their plans for a bold Asteroid Retrieval Mission, a joint robotic and human enterprise that would take U. S. explorers beyond low Earth orbit for the first time since the final Apollo mission to the moon....