Dermatologists recommend no less than SPF 30 for days when you're out in the sun—but they themselves wear SPF 50 or higher ...

Sunlight boosts mood, sleep, and immunity. Learn safe exposure tips and vitamin D benefits for optimal health.

The European Space Agency (ESA)'s Solar Orbiter mission has obtained a stunning high-res image of the sun's upper atmosphere.

If you happen to be enjoying a sunny day, thank the bright surface of the sun, known as the photosphere. At a piping hot ...

Birds also recognize their own species by the bright colors of the males, their calls, songs and behavior. Even though calls of the same species sound alike to us, birds can tell the difference ...

MOST of the experimenters who have attempted to make direct use of the sun's heat for the production of power have adopted the practice of greatly concentrating the sun's rays and focussing them ...

Optoelectronic devices and components are those electronic devices that operate on both light and electrical currents. This can include electrically driven light sources such as laser diodes and ...

A casualty of the Eaton fire was the destruction of the Eaton Canyon Nature Center in Pasadena, which lost 15 animals who died in their enclosures. These “animal ambassadors,” known for ...

Screengrab of a video from the Hernando County Sheriff's Office A passerby found a teen girl’s body on a trail at a nature preserve, and Florida deputies believe she was meeting up with a 16 ...

(CNN) — A partial solar eclipse on Saturday will make it look as though the moon has taken a bite out of the sun over parts of the world. The celestial event comes just two weeks after a lunar ...

(CNN) — The Supreme Court on Wednesday upheld Biden-era federal regulations on “ghost guns,” mail-order kits that allow people to build untraceable weapons at home — handing gun control ...