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

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Why do some people endorse claims that can easily be disproved? It’s one thing to believe false information, but another to actively stick with something that’s obviously wrong. Our new research, ...

Why do some people endorse claims that can easily be disproved? It's one thing to believe false information, but another to actively stick with something that's obviously wrong. Our new research, ...

Andre the Giant’s real daughter Robin Christensen-Roussimoff is 46, not a mystery rapper the internet falsely claims is his secret child. Come on, y’all. OK, let’s play. Andre the Giant was a towering ...

Dear Dr. Roach: Nine days ago, I had a medical procedure under general anesthesia. One of the lines was put in the artery in my left wrist. Aside from deep bruising that went halfway up my forearm, it ...

What about Beto? How much money did they throw at the failed presidential candidate – perfect Butthead impersonator – when he ran for the Senate? How’d what work out again? Now, they have a guy named ...

Sarah Burris is a long-time veteran of political campaigns, having worked as a fundraiser and media director across the United States. She transitioned into reporting while working for Rock the Vote, ...

Marketed as a fertility booster, the antioxidant Impryl showed no benefit in a large Dutch trial, and even reduced pregnancy rates at the critical treatment window, challenging supplement claims.

FARMINGDALE, N.Y. - One thing we learned from Friday morning’s European Ryder Cup beatdown? The Ryder Cup’s not broken. It’s been a funny run for the semiannual U.S.-Europe entanglement. Not because ...

Ella Al-Shamahi is the host of “Human,” premiering on PBS this month. As an 18-year-old Muslim missionary, I enrolled at University College London intent on destroying the theory of evolution. Today, ...

Brigitte Macron plans to provide scientific and photographic evidence in a U.S. court disproving claims shared by right-wing influencer Candace Owens that she is actually a man. Clare said there would ...