CHICO — What goes up, must come down. The sounds of at least 400 children counting down to see pumpkins falling from the sky reverberated Thursday from Trinity Commons at Chico State as the children ...

It is something like the "Holy Grail" of physics: unifying particle physics and gravitation. The world of tiny particles is described extremely well by quantum theory, while the world of gravitation ...

At only 78 pages long, Carlo Rovelli's "Seven Brief Lessons on Physics" is certainly that. He speaks with NPR's Linda Wertheimer about modern physics. Carlo Rovelli is an Italian theoretical physicist ...

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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 ...

A new physics paper takes a step toward creating a long-sought "theory of everything" by uniting gravity with the quantum world. However, the new theory remains far from being proven observationally.