Physicists may have uncovered a surprising new clue that string theory—the idea that the universe is built from unimaginably tiny vibrating strings—could be more than just a mathematical fantasy.

If you could take an apple and break it into smaller and smaller parts, you would find molecules, then atoms, followed by subatomic particles like protons and the quarks and gluons that make them up.

String theory attempts to unify general relativity and quantum theory. Popular in the 1990s, string theory fell out of favor as it failed to provide testable predictions and required ten dimensions ...

May 18-24: As the federal government halts plans to address climate change, states, cities, regions, and even neighborhoods are trying to fill the gap, by cutting climate pollution and adapting to ...

How good is your company at problem solving? Probably quite good, if your managers are like those at the companies I’ve studied. What they struggle with, it turns out, is not solving problems but ...