Twenty-two states will experience elevated ultraviolet (UV) radiation levels on Tuesday, according to the National Weather Service (NWS) and the Environmental Protection Agency (EPA). According to the ...

A research team from Penn State has broken a 165-year-old law of thermal radiation with unprecedented strength, setting the ...

UV radiation comes primarily from the sun and is made up of UVA, UVB, and UVC rays. UVC rays do not reach Earth, but both UVA and UVB rays pose health risks. Learn more here.

News 9 Meteorologist Lacey Swope explains that solar radiation and the sun's interaction with different surfaces have helped make roads navigable once again.

The heat index is expected to soar this weekend. Here's what to know about the scale, potential dangers and how to protect ...

BASKING IN THE sun has been considered a health hazard for at least four decades. The main risk comes from ultraviolet (UV) light, which the Sun emits alongside visible radiation. This can ...

The question of whether Earth is alone in harboring life has captivated humanity for millennia. In recent years, scientists ...

This weekend, the sun rose at 2:51 a.m. on Saturday, but it didn’t set Saturday night, and Sunday marked the first calendar day that featured 24 hours of nonstop daylight.

The Solar Orbiter spacecraft, a joint mission between the European Space Agency and NASA, is the first to venture into a ...