Windshields are surrounded by small black dots, that are sometimes also found around the central rearview mirror to place ...

NASA says the sun actually emits energy at all wavelengths from radio to gamma-ray, and most of that energy is around 500 nm, which is close to blue-green light. This means you can make the ...

All sunburns are signs of damage from the sun's ultraviolet rays or the ultraviolet light from a tanning device. Multiple sunburns make your skin age faster and increase your risk of skin cancer ...

Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can escape the powerful tug of a black hole's gravity. And anything that ...

Instead, the axis is slightly tilted to one side, by about 23.5 degrees (for now). That means the sun's rays hit different parts of the world at different angles, depending on the time of the year.

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Though the sun's rays may not seem as strong because of lower temperatures, those UV rays still affect your skin. That is why you should make a habit of wearing body and facial sunscreen every day ...

Given that 5.5 micrograms of the vitamin are estimated to ingested daily through food, ultraviolet rays from the sun are required to provide the other necessary 10 micrograms of vitamin D.

The Milky Way has its own supermassive black hole called Sagittarius A*. Main sequence stars (like our Sun) make up about 90% of the stars ... Cygnus X-1 is one of the strongest X-ray sources ...

Conrad Black is a Contributing Editor of the Sun. The Israelis, as Churchill said of Finland in 1940 and Greece in 1941, ‘are showing what free men can do.’ Vice President Harris will not be able to ...

You want a sunscreen that offers protection against both skin-wrinkling UVA rays and sunburn-causing UVB ... (SPF, so you know, stands for sun protection factor.) Looking for a non-greasy, sweet ...

Some protection isn't just for skin. Your eyes should be shielded from harmful for UVA rays, too. Too much sun can damage your eyes and the skin around them, and lead to Wrinkles around the eyes ...