A well-known benefit of sun exposure is that it triggers the body to produce vitamin D, which helps to build and maintain ...

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

The European Space Agency's Solar Orbiter captured the first-ever images of the sun's south pole in March, which were released this week.

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

You may know them by the acronym ROY G BIV. Together, they make the white light you see when the sun -- the main source of blue light -- is shining. Fluorescent and LED (light-emitting diode ...

But all known chemical and gravitational sources of energy were too short-lived. A revolution came in the 1930s, ... Recently other discoveries about the Sun’s core have come to light.

Learn how to get the most vitamin D from the sun, and other sources, ... (UV) light. As such, this means using sunscreen may slightly limit the body’s ability to make vitamin D.

A sun lamp is a unique light that mimics natural outdoor light. Bright light therapy may help seasonal affective disorder and other conditions, such as depression.

Blue light — from the sun, fluorescent lights, or your phone and other screens — sends signals to your brain to wake up. Learn how it can interfere with sleep.

Light pillars are tall beams of light that extend from a light source, like street lamps. We need very specific weather conditions to see these weather phenomenons. Temperatures need to be below ...

Sitting on the beach under an umbrella or in the shade on a boat deck are not as safe as they sound. UV light is reflected off water, sand, snow and concrete. Wear sunscreen even in winter and during ...