Thomas Smeenk, BA, unveils a proposed conformal invariant, A = E/(hv), explored as a potential bridge between General ...

The two stars in the nearby system ZTF J2130 are spiraling toward a catastrophic supernova. In the meantime, scientists are using the pair's slow orbital decay to put Einstein's theory of gravity to ...

Understand Einstein’s General Relativity with a clear and easy-to-follow explanation that breaks down complex ideas like ...

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 ...

Hunter dead after being shot by fellow hunter in Pennsylvania North Korea's aging fighter jets have a new weapon, and it looks a lot like a certain Western cruise missile American Eagle had Sydney ...

It is something like the "Holy Grail" of physics: unifying particle physics and gravitation. The world of tiny particles is described extremely well by quantum theory, while the world of gravitation ...

Astronomers have observed a star wobbling in its orbit around a ravenous supermassive black hole that is ripping it apart and ...

The cosmos has served up a gift for a group of scientists who have been searching for one of the most elusive phenomena in ...

For close to a century, scientists have been trying to marry Albert Einstein’s General Theory of Relativity and quantum theory—our two best bets on understanding the universe on a macroscopic and ...

A supermassive black hole was caught twisting spacetime, offering the clearest real-world evidence yet for Einstein’s ...

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