Consumer Reports reveals the best string trimmers you can buy right now. Our tests find that you don't have to pay a lot to ...

What is the stuff in the universe made of? Our high-school physics tells us atoms, with 90 natural elements building the world around us. But what are these atoms made of? Over the last century, we've ...

It's perfect for a quick refresh of your outdoor space.

String theory began over 50 years ago as a way to understand the strong nuclear force. Since then, it’s grown to become a theory of everything, capable of explaining the nature of every particle, ...

String theory has finally made a prediction that can be tested with experiments -- but in a completely unexpected realm of physics. The theory has long been touted as the best hope for a unified ...

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called "Is the end in sight for theoretical physics?" Forty-five years later, ...

The original version of this story appeared in Quanta Magazine. String theory captured the hearts and minds of many physicists decades ago because of a beautiful simplicity. Zoom in far enough on a ...

Spring is in full swing, which means summer is right around the corner, and with spring cleaning comes summer shopping. Temperatures are rising and days are getting longer, but clothes are getting ...

These battery-powered and corded electric string trimmers perform on a par with gas-powered models—or even better—in CR’s tests.