Gravity, long the sovereign force in the cosmic hierarchy, may be little more than a statistical side effect a byproduct of entropy, not a fundamental interaction. That is the provocative assertion ...

The gravity quantum field is calculated in flat spacetime. The curved classical metric is calculated using the expectation value of the gravity quantum field. Credit: Mikko Partanen and Jukka Tulkki / ...

Add Yahoo as a preferred source to see more of our stories on Google. A new theory from Heidelberg University shows how quasiparticles emerge and vanish as particle motion changes. (CREDIT: ...

The original version of this story appeared in Quanta Magazine. Two blind spots torture physicists: the birth of the universe and the center of a black hole. The former may feel like a moment in time ...

The COMPASS experiment at CERN reports a key measurement on the strong interaction. The strong interaction binds quarks into protons and neutrons, and protons and neutrons into the nuclei of all the ...

It feels so obvious that time moves forward that questioning it can seem almost pointless.