Extra dimensions, if they exist, would not just be a science‑fiction flourish but a structural feature of the cosmos that could help explain gravity, quantum mechanics and even why the universe looks ...

Physicists who work with a concept called string theory envision our universe as an eerie place with at least nine spatial dimensions, six of them hidden from us, perhaps curled up in some way so they ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." We experience the universe in four dimensions: three spatial dimensions and time. But what if that number ...

For those who see the world as a dark place, the universe seems to offer little solace. According to current estimates, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist’s impression of ...

Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new theory by a University of Alaska Fairbanks scientist. The theory also ...

Space and time looked settled, at least in broad outline. Einstein's special relativity gave physics a durable framework for describing motion, and for more than a century one boundary seemed firm: ...

The book Flatland: A Romance of Many Dimensions by Edwin A. Abbott explores the concept of physical dimensions through characters who encounter higher-dimensional beings. The protagonist, “A. Square,” ...

String theory found its origins in an attempt to understand the nascent experiments revealing the strong nuclear force. Eventually another theory, one based on particles called quarks and force ...