Dark matter particles continue to hide, but they release energy when they collide: evidence shows that gamma rays from the center of our galaxy may come from dark matter collisions.
Visitors excited and inspired by DOE exhibits at National Science and Engineering Festival.
The AAAS Center for Science, Technology and Security Policy held its first discussion on Monday October 4th as part of its 2010 series, Science & Society: Global Challenges.
Students from Across the Country Prepare for Regional Science Competitions