While most battery startups chase lithium, a new Seattle startup called Emerald Battery is betting on an abundant alternative ...

Lithium-ion batteries have been in the headlines recently after causing many fires in the city. Here are some answers to frequently asked questions about the common rechargeable power sources. A ...

The science is unsettled, but researchers say there is cause for concern. Tiny plastic particles like these—called microplastics—are added to some exfoliating skincare gels and can get into the ...

Remarkably, no energy input is required for this to happen, which gave some scientists a cool idea. Researchers at the ...

Charging electric vehicles (EVs) when renewable energy is abundant—and supplying power back to the grid when demand ...