The trajectories of objects often feature anomalies that can be useful in discovering new physics.” These are the words of Yu-Dai Tsai, first author of a recent paper published in Nature ...

Some physicists believe that a fifth fundamental force could be the cause of some observational anomalies. A study is ...

An international team of scientists is suggesting that the accelerating expansion of the Universe could be caused by a mystery substance called "quintessence" that permeates the cosmos.

Steinhardt admits he hasn’t come up with any fundamental explanation of why the quintessence field would change in this way. The answer, he says, could lie in new physics, perhaps in a new ...

Quintessence would be some form of energy ... cosmological constant problem will reveal deeper truths about quantum physics and general relativity. Or maybe scientists will discover a simpler ...

They've developed several different ideas, including the theory of "quintessence," which proposes ... need for dark energy and dark matter Unknown physics may help dark energy act as 'antigravity ...