The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one ...

Debate continues to rage in the scientific community about the true meaning of time, even about its very existence at a ...

Stephen Hawking was living proof that it is possible to beat all odds and overcome even the most difficult of obstacles.

Theoretical study predicts the existence of particles that are neither bosons nor fermions — and hints at potential ...

A group of Brazilian researchers has presented an innovative proposal to resolve a decades-old debate among theoretical physicists: How many fundamental constants are needed to describe the ...

The laws of physics do not exist, a theoretical physicist named Sankar Das Sarma argues in a new column published by New Scientist. While we define the laws as the “ultimate laws” of our ...

In 1935, Austrian-born physicist Erwin Schrödinger described a thought experiment that magnified a glaring problem at the ...

Discover the mysterious tachyon particle that could challenge our understanding of physics and the universe. Learn about the ...

The reference frames from which observers view quantum events can themselves have multiple possible locations at once—an ...

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions ...