In A Nutshell When two different types of cosmic strings become linked in the early universe, they form stable knots that ...

Dissident scientists advocating a controversial theory of the universe are having a field day in the wake of NASA's Deep Impact comet collision earlier this month. Scientists promoting the Electric ...

The Big Bang theory has provided the most widely accepted basis of our understanding of the universe since it was first proposed by Georges Lemaitre in 1927. In short, it posits that all the matter in ...

THE partial success which has attended the recent attempts of Einstein and Minkowski to found an electromagnetic system of mechanics has tended to strengthen the popular idea that the solution of ...

Dark energy is one of the greatest mysteries of the universe. This mysterious force is thought to be accelerating the expansion of the cosmos. But a new study challenges this long-held belief. A team ...

As part of ongoing efforts to derive a scientifically testable multiverse theory, a team of researchers proposed recently that parallel universes exist and that they influence each other. The theory ...

For centuries, gravity has been the cornerstone of physics—but what if it’s not the universe’s true force? The Electric Universe theory claims that invisible cosmic currents shape stars, planets, and ...

In the search to understand how the universe came to be, a new theory is rewriting the script. Instead of one massive, fiery birth like the Big Bang, this idea suggests the cosmos has been growing in ...

Note: For a definition of unfamiliar terms, see our glossary. The fundamental particles of the universe that physicists have identified—electrons, neutrinos, quarks, and so on—are the "letters" of all ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space Radio, and author of How to Die in Space. He contributed this article to ...

On June 25, Timm Wrase awoke in Vienna and groggily scrolled through an online repository of newly posted physics papers. One title startled him into full consciousness. But now, Vafa and his ...