Physicists are increasingly entertaining a radical possibility: our familiar universe of three dimensions of space and one of ...
The Standard Model of our universe doesn’t match the evidence, in part because of dark energy, a ghostly force pushing the ...
Dark matter could be the result of fermions pushed into a warped fifth dimension. This theory builds on an idea first stated in 1999, but is unique in its findings. Dark matter makes up 75 percent of ...
Physicists know that something unseen is sculpting the cosmos, outweighing ordinary matter by roughly a factor of five, yet every detector built so far has come up empty. One of the most audacious ...
A subatomic particle called the muon is wobbling far more than leading physics models can explain. Its unusual behavior could be evidence of a fifth force of nature or a new dimension. Scientists ...