Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

A Star Trek–inspired idea by Miguel Alcubierre kicked off decades of theory and experiments as scientists pursue plausible ...

If you are fluent in any language other than English, you have probably noticed that some things are impossible to translate ...

A newly surfaced letter attributed to Albert Einstein offers a rare, intimate look at the man behind the equations, including ...

110 years ago today, Albert Einstein published his General Theory of Relativity, which redefined the relationship between matter and gravity. Suddenly, our mysterious universe made a little more sense ...

The 1919 total solar eclipse provided the first empirical test of Albert Einstein's general theory of relativity, specifically measuring how the Sun distorts light from background stars. General ...

The U.S. stock market continues to absorb its knocks, whether geopolitical, credit-linked or trade-induced, and sits at record highs. Any dips continue to be bought as investors bet on lower interest ...

I don’t want to sound biased about the various Universities, but I think that Ouachita Baptist University is possibly my favorite private school for music and theatre. The sounds that came out of ...

Planets orbiting dead stars known as white dwarfs might be able to remain habitable thanks to general relativity subtly altering their motion. When stars like our sun run out of fuel, they expand and ...

A research team proposes utilizing numerical relativity, a computational technique for solving Einstein's equations in high-gravity environments, to investigate the universe's origin. The approach ...

SPOILER ALERT: This story contains spoilers for Ava Reid‘s “A Study in Drowning” sequel, “A Theory of Dreaming,” released July 29 by HarperCollins. “A Theory of Dreaming,” Ava Reid’s eagerly ...