I didn’t believe in the “green flash” so many people said they see at sunset, until I saw one on St. Barth a few years ago.

An astronaut’s photo from the International Space Station captures crepuscular rays and cumulonimbus clouds, revealing a ...

Sun damage on skin doesn’t take a break in autumn/fall or winter. Discover the surprising risk and how to prevent dark spots ...

The ozone layer is a part of Earth’s atmosphere that captures some of the Sun’s ultraviolet (UV) light emissions. When the ...

This image of the Sun includes high-energy X-ray data from NASA's Nuclear Spectroscopic Telescope ... blasting off the Sun’s ...

Of course, we get less exposed to sun.” The angle of the sun is important: the sun's rays have more atmosphere to travel ...

The National Weather Service in Seattle forecasts a wet weather system moving through Western Washington today (Saturday) ...

The first major snowstorm of the season in Denver weather wraps up by late Saturday morning and early afternoon. Look for ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

Sweeping aside thick toxic scum, thousands of Hindu devotees ignored court warnings Thursday against bathing in the sacred ...

I have a question about suntanning. First off, I want to say that I get yearly skin cancer checks, love the sun, and hardly ...

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...