The idea that we might be living in a simulated reality has worried us for centuries. Now physicists have found some ...

For more than a century, gravity has been the stubborn outlier in physics, perfectly described on cosmic scales yet refusing to mesh with the quantum rules that govern everything else. A growing camp ...

Quantum theory and general relativity have long described the universe with incompatible languages, one speaking in ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...