Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

As nights have gotten brighter, the list of health problems linked to artificial lighting has gotten longer, from insomnia to cancer. Lighting in urban areas like Chicago (shown) has gotten brighter ...

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to get there. When you purchase through links on our site, we may earn an ...

With Halloween just around the corner, we’re looking for cool ways to make our home a little more inviting–not to mention spooky! Now available at Amazon for $113.99, a cool 37% off its $80 MSRP, this ...

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If your social media feed is full of glowing red face masks and crimson saunas, you're not alone. Lately, it seems like everyone is obsessed with red light therapy and hailing it for its various ...

On a shelf lined with terra-cotta pots, herbs bend their stems toward the nearest window. In a field of golden wildflowers, leaves rotate with the path of the sun. In a dappled forest, vines twine up ...

A mutant seedling revealed how plant tissues scatter incoming light, allowing plants to sense its direction and move toward it. On a shelf lined with terra cotta pots, herbs bend their stems toward ...

The first humans to sit around campfires probably observed a strange example of animal behavior that continues to perplex people today. They would have seen insects that emerge from the night and ...

Researchers have identified key structures in photosensitive plant tissue that allow them to determine the direction of light, leading to positive phototropism. A recent research collaboration between ...