Equity markets face structural risks as the FINRA margin ratio and passive trading both reach 53%, levels last seen before ...

Add Yahoo as a preferred source to see more of our stories on Google. Jean Twenge, professor of psychology at San Diego State University, argued increased screen use is to blame for declining test ...

PFAS are commonly called forever chemicals because of their astonishing persistence – due to the strong chemical bonds between carbon and fluorine, they don’t break down easily. This durability is ...

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

We hope you've had a chance to review the press release we issued after market close in the U.S. today, announcing the positive top-line results of the Phase III ABTECT Maintenance trial. Joining me ...

Interstellar space is unforgivingly vast, but the emptiness has some advantages. The lack of atmosphere means there is no aerodynamic drag.

Why do so many people feel overwhelmed right now? And what can investors do about it?

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

In mid-May, OpenAI announced that an internal AI model had disproved the Erdős unit distance conjecture, a famous problem in ...

Late physicist turned issue of when to stop searching for a better place to eat into mathematical problem ...

In 1946, the mathematician Paul Erdős posed the unit distance problem—and suggested a winning strategy. An A.I. model has now ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...