Archaeopteryx is the fossil that proved Darwin right. It's the oldest known fossil bird, and it helps show that all birds— including the ones alive today—are dinosaurs. And while the first ...

New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

Ultraviolet light emitting diodes (UV-LEDs) have rapidly evolved as a promising alternative to conventional mercury-based UV lamps in water disinfection systems. Their compact size, reduced energy ...

Ultraviolet has very short and energetic wavelengths that are shorter than violet on the visible spectrum. But can people see UV? When you purchase through links on our site, we may earn an affiliate ...

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 ...