When the sun was young and faint and the Earth was barely formed, a gigantic black hole in a distant, brilliant galaxy spat out a powerful jet of radiation. That jet contained neutrinos – subatomic ...

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 ...

Imagine a thread so thin it's invisible to the naked eye but packed with the mass of thousands of stars. This isn't science fiction—it's the theoretical description of cosmic strings, structures that ...

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 ...

Giant detector: firing radio waves into the Antarctic ice could reveal high-energy neutrinos. (Courtesy: Stephen Hudson/CC BY 2.5) Physicists working at the SLAC laboratory in the US have shown they ...

The Big Bang theory explains how the universe came to be – but, ironically, if followed to the letter it also suggests that we shouldn’t exist today. That’s because equal amounts of matter and ...