It's almost impossible to wrap your head around how mind-blowing it would be to see a real-life time machine in action—talk ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if ...

A search for particles’ most paradoxical quantum states led researchers to construct a 37-dimensional experiment ...

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

In other words, all bets are off in a closed loop where quantum physics smoothes out any intrusive ... with general ...

One Vanderbilt University researcher thinks time travel might not just be for the movies. (Credit: Wikimedia Commons). Time ...

Physicist Lorenzo Gavassino redefines time travel theories, suggesting quantum mechanics and entropy may resolve paradoxes ...

"With evidence that quarks and gluons are entangled, this picture has changed. We have a much more complicated, dynamic system." ...

The universe is getting more disordered, entropy is growing -- this is the second law of thermodynamics. But according to quantum theory, entropy should actually stay the same. Scientists took a ...

Researchers at the University of Basel have shown that quantum systems can have antagonistic interactions, too—one agent ...