Even with quantum mechanics and relativity, physics can’t explain everything. Three problems — quantum gravity, dark matter, ...

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

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

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

"Young Sheldon" chronicles the young life of Sheldon Cooper, the star character of "The Big Bang Theory." But that chronicle ...

Falling into a black hole means facing extreme stretching, known as spaghettification, due to immense tidal forces. While ...

What do people ask the popular chatbot? We analyzed thousands of chats to identify common topics discussed by users and patterns in ChatGPT’s responses.

Researchers have developed an innovative and versatile system designed for a new generation of short-pulse lasers. Lasers ...

The arrest of Chad Welsh in the 2007 slaying of Angela Hennes has reopened the investigation into two Davenport police cold cases, defined that way because the killers were never brought to justice.

This paper describes the eccentricity, amplitude, phase shift, angular momentum, polarization, radial path, and orbital ...

Aurorae such as the southern lights, seen here over Antarctica, show the geomagnetic field in action. Some areas of the field, which shields Earth’s surface from charged solar particles, are stronger ...

The international rugby window has opened and the view is very familiar. South Africa crushed French hearts with 14 men and New Zealand thwarted a Scotland fightback despite three yellow cards.