The concept of spacetime, first described in Einstein's theory of general relativity, has since been widely studied by many ...

A new study suggests Einstein’s spacetime may preserve hidden geometric structures that remain intact as the universe evolves, similar to magnetic field lines in plasma. By reformulating general ...

Bell's theorem, the well-known theoretical framework introduced by John Bell decades ago, delineates the limits of classical physical processes arising from relativistic causality principles. These ...

The quantum revolution in physics — whose 100th anniversary we have just celebrated — taught us that at the most basic level the world is bizarrely different than it seems. But, we appear to only have ...

For over a century, scientists have been intrigued to decode the perplexing scenery behind contemporary physics. It's been up for many years, and yet the experts still have no idea how to bridge the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Understanding the “how” of existence is justifiably difficult, but it’s a question that science has ...

Thanks to immense gravitational forces, the regions around black holes are violent and turbulent environments driven by physics that cannot be found anywhere else in the universe. In fact, black holes ...

There is a glaring gap in our knowledge of the physical world: none of our well-established theories describe gravity’s quantum nature. Yet physicists expect that this quantum nature is essential for ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Time feels like the most basic feature of reality. Seconds tick, days pass ...