As if the winter darkness doesn't present its own health challenges in a non-pandemic year, a recent study suggests that the sun's lack of intensity in the coldest months of this year might also be ...

Despite what your TV listing says, it isn't always sunny in Philadelphia -- or anywhere else. That means your solar panels won't always be soaking up the sun's rays. Solar panels are rapidly growing ...

“Peak sun hours” represent the time each day when a solar energy system can generate electricity at maximum efficiency. Because a solar panel’s electricity production depends on the availability and ...

Ultraviolet (UV) light has higher energy photons than visible light and, thus, has more applications. Researchers have now developed a brilliant innovation -- a solid-state material that can stably ...

Understanding the amount of sunlight your garden receives is crucial for successful plant growth and landscape design. Whether you are planning a vegetable garden, adding a new flower bed, or simply ...