Scientists mimic photosynthesis with a new hydrogel to produce hydrogen using sunlight, promising cleaner energy solutions.

Too much of a good thing is no good at all. Living organisms enjoy sunlight—in fact, they need it to stay alive—but they tend ...

Why do I feel better rested when I wake myself up than I do if my alarm or another person wakes me up? – Calleigh H., age 11, Oklahoma We’ve all experienced this: You’re in the middle of a lovely ...

For a person who has been outside much of the day, taking in sunlight between 10,000 lux on a cloudy ... foot-long “virtual ...

For a person who has been outside much of the day, taking in sunlight between 10,000 lux on a cloudy ... foot-long “virtual ...

I’ve been a sunrise alarm clock devotee for years, however, I’ve never used a proper SAD lamp. In fact, I’ve always been a ...

Light therapy has been shown to be effective in treating SAD. Devices like Lumie lamps simulate natural sunlight and can help ...

Mimicking how plants convert sunlight into energy has long been a dream for scientists aiming to create renewable energy ...

Chances are, you thought Donald Trump’s fantasy of having Liz Cheney assassinated was dangerous and alarming — another disturbing example of how he dreams of taking revenge on political ...

Chances are, you thought Donald Trump’s fantasy of having Liz Cheney assassinated was dangerous and alarming — another disturbing example of how he dreams of taking revenge on political ...

But the Sun ... a natural particle accelerator that amplifies the energies of plasma particles — mostly protons — by thousands of times. Traveling at nearly the speed of light, these protons ...