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, ...

A decades-old idea is quietly regaining attention in theoretical physics: ancient structures embedded in the universe’s fabric could reshape current understanding of time. Long dismissed as fringe ...

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, as predicted by Einstein’s theory, could warp space-time to create loops enabling backward journeys in time. Solar Storms And A Haunted Sun: What NASA’s Halloween Image Really Means 10 ...

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 ...

16:44, Sat, Sep 2, 2017 Updated: 16:53, Sat, Sep 2, 2017 Since they were first theorised in 1991, the theory of cosmic strings has gained traction. Cosmic strings are essentially one-dimensional ...

(PhysOrg.com) -- For astronomers, understanding what happened in the early moments of the universe could answer many questions in physics and astronomy. One possible player in the early universe is ...