Albert Einstein's enduring quote, "If you can't explain it to a six year old, you don't understand it yourself," highlights ...

What if wormholes were never cosmic tunnels at all? New research suggests Einstein and Rosen’s famous “bridge” may actually reveal something even stranger: time itself could flow in two directions at ...

A new study just added an interesting twist to the complicated history of the physics theory.

What if the Big Bang didn't begin with a singularity? This point of infinite density, which so divides physicists, could be ...

Black holes are regions in space where gravity is so strong that nothing, even light, can escape. Einstein's theory of ...

Physicists searching for a better understanding of quantum gravity stumbled upon something unexpected: the defining ...

What if I told you that time travel isn't just a concept from sci-fi? According to Einstein's theory of general relativity, ...

Physicists may have uncovered a surprising new clue that string theory—the idea that the universe is built from unimaginably tiny vibrating strings—could be more than just a mathematical fantasy.

One of the universe’s most dramatic events can now be properly analysed, thanks to University of Cambridge researchers - and ...

Every time someone snaps a selfie, records a sunset or scans a QR code, they are unknowingly using technology built on a ...

Cosmologists have long struggled to determine whether the universe's accelerating expansion is being driven by a simple ...

At 25, Kurt Gödel proved there can never be a mathematical “theory of everything.” Columnist Natalie Wolchover explores the ...