Paul M. Sutter is an astrophysicist at The Ohio State University, host of Ask a Spaceman and "Space Radio," and author of "Your Place in the Universe." Sutter contributed this article to Space.com's ...
Artist’s illustration of extensive air showers induced by ultra-high-energy cosmic rays. Credit: Toshihiro Fujii/L-INSIGHT/Kyoto University Cosmic rays are highly energetic subatomic particles ...
THE case for the existence of cosmic strings has just been boosted. If confirmed, these one-dimensional threads of energy that can span millions of light years could be the first sign of extra ...
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