Subscribe to our newsletter for the latest sci-tech news updates. "When we're outside, there's a lot of ultraviolet radiation (UV rays) from the sun, and those UV rays can damage different parts of ...

The sun is bright in the blue sky today! Skip to main content. Open Main Menu Navigation. Open Search. Partly Cloudy icon. 82 ...

What is the bright star in the east right now? Venus, the bright "Morning Star," shines brilliantly in the pre-dawn sky this weekend, close to a much dimmer Saturn.

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

Just before sunrise on Sunday, March 20, 2022 Venus will be at its “greatest western elongation,” astro-speak for it seeming farthest from the Sun during its current apparition. Venus on March ...

Objection: The sun is the source of warmth on earth. Any increase in temperature is likely due to changes in solar radiation. Answer: It's true that the earth is warmed, for all practical purposes ...

The Moon, the Sun, and three of the five naked-eye planets always put on great shows through telescopes. All are so bright that they punch right through light pollution, haze, and smog as if those ...

"Jack Dorsey's new app Sun Day is exciting, not to detect vitamin D levels but really to help us understand our UV index ...

Tiny but bright flashes in the sun's corona that precede solar flares could help astronomers predict when the next one might occur. Skip to main content. Open menu Close menu. Space.