Meteorologist Kevin MacKay explains how the UV index is measured and why the time of year is more important than how hot it is when thinking about skin protection.

Scientists have developed a precursor formulation for different PV simulation tools that can help calculate the expected ...

Meteorologists and astronomers call the lengthy bright stretch there “polar day.” It’s the opposite of “polar night,” or the ...

Josh Dury, taken from Somerset, U.K. A parhelic circle - an optical phenomenon caused by sunlight reflecting off of ...

A giant impact crater on the moon may contain primordial pieces of the lunar mantle and remnants of an ancient magma ocean, ...

"Bank angle, bank angle!" were Flight Engineer Carey's final words captured on the CVR before it ceased recording. Dan-Air flight 1008 met its tragic end when it struck the side of La Esperanza at an ...

That’s right, the temperature does not determine how strong the sun is, but rather the angle of the sun in the sky. The higher the angle, the more intense the sunlight… The angle of the sun de ...

35,048 people played the daily Crossword recently. Can you solve it faster than others?35,048 people played the daily Crossword recently. Can you solve it faster than others?

Hotter air to the west of us will be making its way to our area, bringing some temps at or above 90 and keeping them here into next week. Any remaining very small rain chances are just about gone ...

The phenomenon occurs when sunlight hits ice crystals in high-altitude ... the sun’s center. This occurs when the shape and orientation of the ice crystals vary, producing multiple angles ...

At its "weakest", the sun is just 31 degrees above the horizon on the winter solstice. Solar elevation angle in Raleigh, NC throughout the year Even with mid-to-high level clouds in the forecast ...

Angles of elevation and depression are angles that are given from above or below a horizontal perspective. For example the angle that is made when you look up at something is an angle of elevation.