(Credit: M. Fumagalli/T. Theuns/S. Berry) Astronomers have developed a new technique to detect the cosmic ultraviolet background radiation that keeps the universe ionized and hot. Their findings ...

Brightly pigmented petals starkly contrast a black background as specks of light ... these otherworldly images he uses a technique called ultraviolet-induced visible fluorescence photography ...

One of the enduring commonalities across most human societies is the belief that our eyes are a window into the immutable truth of the universe. Eyewitnesses are accorded special status in trials ...

Everyone loves when the blue sky is out, but many forget to protect their skin from potentially harmful UV radiation. While the sun’s rays are essential to life on earth, ultraviolet radiation ...

"Understanding the Lyman-alpha background helps shed light on nearby ... Lyman-alpha is a specific wavelength of ultraviolet light emitted and scattered by hydrogen atoms. It is especially useful ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has successfully completed its initial commissioning following the October 14, 2024, launch.

For background, most of us know UV light as its most common form: sunshine. Certain wavelengths of UV light are visible to the human eye, and there are some species of insects, like bumblebees ...

Animals with ultraviolet color patterns can be found all over nature. Here’s what we know about what purpose these patterns serve. Scorpions are one of many animals that appear to glow under ...