Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.

She was once a rising figure in British theatre—until she vanished without warning. No body. No farewell. Just unanswered ...

Unsolved mysteries spark curiosity, and for The Chinese University of Hong Kong (CUHK) Prof of Physics Li Hua-bai, this curiosity is the foundation of scientific exploration.

For over a decade, mathematicians have failed to agree whether a 500-page proof is actually correct. Now, translating the ...

Investigators revisit Amber Tuccaro’s disappearance, tracing her final phone call and the unanswered questions that remain.

The Navier–Stokes partial differential equation was developed in the early 19th century by Claude-Louis Navier and George ...

Five students at U.S. military academies and three each from Yale University, Harvard University and the Massachusetts ...

We delve into ancient mysteries that have remained unsolved for thousands of years.

President Donald Trump boasts that his tariffs protect American industries, lure factories to the United States, raise money ...

Beauty is power. This is perhaps why it has played such an important role in culture and society since the beginning of time.

We have built a world around us where boredom has become almost impossible to experience. Within seconds of feeling under stimulated, we can summon infinite entertainment, answers, and companionship.

The age of artificial intelligence arrived not with a bang, but with quiet infiltration: one recommendation algorithm at a ...