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 sun may look yellow from Earth, but it actually releases every color of light, meaning its true color is white. The sun is unique in that it's the only star in our solar system. Up to 85% of ...

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 ...

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.

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 ...

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.

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.