Discover how Excel's Goal Seek reverses calculations to find input values from known outcomes and enhances your data analysis skills.

The Energy Department ordered two coal-burning power plants to remain open, and the Environmental Protection Agency gave utilities more time to tackle toxic coal ash. By Lisa Friedman and Maxine ...

Ukraine’s president has floated a possible compromise to a key Russian demand that Kyiv give up territory in eastern Ukraine. Volodymyr Zelenskyy’s proposal could address one of the main sticking ...

‘He shouldn’t be allowed to hide’: the Golden State Killer’s prosecutor on the relentless search for the mass murderer ...

The Department of Defense’s new China Military Power Report notes China’s continued buildup, while taking a more conciliatory approach to tensions with Beijing.