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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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 ...

Cosmic strings, as predicted by Einstein’s theory, could warp space-time to create loops enabling backward journeys in time. NASA–ESA alliance launches the planet’s toughest ocean detective. Solar ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. As cosmic strings — exotic wrinkles in space-time left over from the earliest moments of the Big ...

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 ...