Hot blue stars kicked out of their cradles may explain a mysterious ultraviolet glow that surrounds the disks of many spiral galaxies. A new computer simulation demonstrates that these runaway stars ...

Researchers used the MIRI instrument onboard the James Webb Space Telescope (JWST) to identify the presence of ultraviolet radiation in five young stars in the Ophiuchus region, and to understand its ...

Even under intense ultraviolet radiation from giant stars, the raw ingredients for planets can endure. Using Webb s powerful infrared eyes, astronomers examined a young star in the Lobster Nebula and ...

UV radiation comes primarily from the sun. It comprises UVA, UVB, and UVC rays, each with unique properties. While some types of UV radiation provide health benefits, they can also pose risks. The sun ...

Weather forecasts usually include a UV index, a measure of the intensity of ultraviolet radiation from the sun. The higher the number, the greater the risk to people. Most of the radiation that ...