Gravitational wave astronomy is starting to do more than confirm Einstein’s equations. It is turning into a precision tool ...

Learn to use the rule of 70 to estimate how long it takes for a country’s GDP to double, aiding in understanding economic growth and investment potential.

Physicists have long treated mass as a basic ingredient of nature, something particles simply possess, even as the Higgs ...

We’ve all had that itchy, edgy feeling, that urge to be doing something—anything— other than what we’re doing right now. It’s boredom, and it’s awful. As ubiquitous as the experience is, only recently ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

Renewable energy use in the U.S. has doubled in the past decade, with state-level contributions varying. Some states produce over half their electricity from renewables, targeting 100% clean energy ...

A colder stretch starts tonight and carries into the week, with quiet weather at first before a brief wintry mix transitions to rain by Tuesday. Temperatures stay seasonably cool through midweek, ...