What is ultraviolet light, and where does it come from? Learn how UV radiation is classified, measured, and used in medicine, ...

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

We are entering a new era of cosmic exploration. The new Vera C Rubin Observatory in Chile will transform astronomy with its ...

Citizen scientists using the Kilonova Seekers platform spotted a stellar flash 2,500 times brighter than before, allowing ...

Hoeneisen, B. (2022) Measurement of the Dark Matter Velocity Dispersion with Galaxy Stellar Masses, UV Luminosities, and Reionization. International Journal of Astronomy and Astrophysics, 12, 258-272.

A dramatic cosmic event, a rare dwarf nova that suddenly brightened by a factor of 2,500, has been discovered with the help ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

UV light is reflected off water, sand, snow and concrete. Wear sunscreen even in winter and during cloudy weather. Damaging UV light from the sun still occurs; it is just not as strong as on a sunny ...

If we could send a mass email to every man in the world, it would say – in all-caps – that you need to be wearing sun ...

Tadej Pogačar is the favorite to win this year’s Tour de France. The 26-year-old Slovenian cyclist's quest for a fourth Tour ...

A walk in the desert and a curious discovery could have revealed that the secrets of alien life grow in the harshest conditions on Earth in the form of lichen.