Runners, cyclists and gym-goers with wearable fitness trackers are no doubt familiar with the five "heart rate" zones.

We've all heard of LED face masks – the Instagrammable devices hailed as the future of skincare. The promise? A clearer, ...

Tonight, heightened solar activity sets the stage for a striking display of the northern lights across parts of the U.S., with forecasts pointing to strong geomagnetic conditions. Here's everything yo ...

Imagine that plants could tell us exactly when they're stressed, infected, or being eaten by insects, by lighting up. A new ...

TOMORROW EVENING IS OUR NEXT CHANCE OF SEEING SOME RAIN AND SNOW SHOWERS ACROSS THE STATE. IT WILL BE BRIEF, BUT IT COMES ...

Abstract: Measuring luminous intensity using electronic sensors requires their precise positioning. In the case of mobile measurement platforms, it is important to detect the light source and thus ...

A powerful surge of solar energy is heading toward Earth, and up to 20 U.S. states could catch a glimpse just in time for the ...

The Aurora Australis will be lighting up Australian skies tonight, for what might be the final time in a decade. Everything ...

10,000 nits used to sound like a lab-only figure. In 2026, it has become the number that explains why TV makers are suddenly ...

The northern lights, or aurora borealis, could not only be viewable in 19 U.S. states this week, but also have the potential ...

Strength doesn't just mean how much weight you can lift. I took a new approach—and learned about lifting for longevity.