In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called "Is the end in sight for theoretical physics?" Forty-five years later, ...

A Gravity Theory That Could Rewrite the Universe’s First Moments The first fraction of a second after the Big Bang has always ...

Theory of mind is typically defined as the ability to understand the thoughts, beliefs, desires, and emotions of other people. This understanding allows individuals to predict how others will feel, ...

Leggett later switched to theoretical condensed-matter physics, and rapidly made the subject of macroscopic quantum phenomena his own. Only eight years after his PhD, he created a remarkably intuitive ...

Contrails have a simple explanation, but not everyone wants to believe it. AP Photo/Carolyn Kaster Calum Lister Matheson, University of Pittsburgh Online influencers with millions of followers have ...

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 ...

Everyone has looked up at the clouds and seen faces, animals, objects. Human brains are hardwired for this kind of whimsy. But some people – perhaps a surprising number – look to the sky and see ...