Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.

A decline in the number of children and rise in the number of choices has created a crisis for public schools. Some are trying new strategies to recruit students.

Lawyers for the family of a woman struck and killed by a Tesla sedan in 2019 argued that the company’s Autopilot software should have avoided the crash.

Mac 911 How to use two eSIMs in an iPhone at the same time Apple sells its iPhones in a few configurations, but you can use two virtual SIMs in the last several years of models.

Certain $2 bills can fetch $4,500 and up on the collectibles market.

Yahoo Finance is chronicling the latest news and updates on Trump's tariffs.

Winning two awards at the National Film Awards 2025 for Hanu-Man, Prasanth Varma is over the moon and shares how it fuels him to expand the superhero universe ...

One of the most disturbing examples involved the chatbot generating three detailed suicide notes for a fictional 13-year-old girl.

As Russia presses its offensive, Ukraine faces a crisis that experts say is as critical as its shortages of ammunition and weapons: a dwindling supply of infantry.

CLEVELAND, Ohio — For the last two weeks, the top high school football players at each individual position have been highlighted from the Greater Cleveland and Akron area. Now, here are the top ...