Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

A viral fan theory called “Conformity Gate” suggests another episode of "Stranger Things" could arrive today, Jan. 7. Here’s ...

A group of "Stranger Things" fans are not ready for the story to be over. The viral theory dubbed Conformity Gate on social ...

Astronomers have finally watched a black hole do something Albert Einstein only described on paper: twist the very fabric of ...

The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

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 ...

As physicists search for a theory of quantum gravity, new results show that classical gravity can still interact with quantum fields to allow matter to become entangled. When you purchase through ...

In this video, we explore Albert Einstein's theory of general relativity, focusing on his insights into gravity and acceleration. Initially ridiculed, Einstein developed key concepts after observing a ...

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 ...

While SpaceX’s Falcon family continues to demonstrate reliable reuse of its first stages and fairings, other launch providers are actively developing competitors. One such rocket in work is Relativity ...