For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It's the clearest gravitational ...

The curious minds at What If examine overwriting Einstein’s theory of relativity with time travel, imagining paradoxes, ...

Albert Einstein won the 1921 Nobel Prize in Physics, but not for relativity—the theory that made him famous. This article ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human ...

Mind = blown.

Recent James Webb Space Telescope data confirms a decade-old theory that the universe's earliest supermassive black holes ...

A hundred years ago this week, at the height of the quantum revolution, Austrian physicist Erwin Schrödinger submitted a ...

There’s an adage coined by [Ian Betteridge] that any headline ending in a question mark can be answered by the word “No”.

A century ago, Erwin Schrödinger came up with an equation that says how the quantum world behaves. Now scientists are asking ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study suggests this mysterious ingredient may not be necessary after all. Using an ...