Caltech scientists have developed an artificial intelligence (AI)–based method that dramatically speeds up calculations of ...

Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.

Graphene is stronger than steel and a better conductor that copper, making the two-dimensional material of particular ...

Gauging the mass of a black hole is tricky, but astronomers have devised multiple methods to measure the heft of these galactic gluttons ...

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The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

The Rasmussen Reports daily Presidential Tracking Poll for Thursday shows that 51% of Likely U.S. Voters approve of President Trump’s job performance. Forty-seven percent (47%) disapprove. The latest ...