When blasted with ultraviolet radiation, a newly discovered species of tardigrade protects itself by glowing blue. “Tardigrades’ tolerance for stress is extraordinary,” says Sandeep Eswarappa, a ...

Many animals possess hidden vibrant colors, invisible to humans, revealed under ultraviolet light through biofluorescence. This phenomenon, where tissues absorb and re-emit light, is widespread across ...

From glowing mushrooms deep in forests to radiant corals beneath the ocean, nature has its own spectacular light show. This magical glow, known as bioluminescence or phosphorescence, is found in ...