If the prospect of an ever-expanding universe that eventually stretches into a vast emptiness isn’t depressing enough, there’s this: the universe may have cracks in it. Cracks, called cosmic strings, ...

One of today’s outstanding cosmological questions is how structure first formed in the universe. Cosmic strings certainly could have done the job. A typical string postulated in grand unification ...

Cosmic strings, hypothetical remnants of the early moments of the Universe, are at the heart of a study conducted by the Kavli Institute for the Physics and Mathematics of the Universe in Japan. These ...

One of the strangest ideas about the nature of the universe could be one of the most important. Do long, thin, and incredibly dense strands of matter called cosmic strings wind their way throughout ...

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 ...