This is called background radiation and it varies across the country. The average American is exposed to about 3 mSv (millisieverts) of radiation from natural sources over the course of a year. (A ...

A new map has revealed the terrifying spread of radioactive fallout from US nuclear tests, showing the contamination in 46 ...

A type of lichen was able to survive extreme UV radiation in the lab, suggesting that ozone protection might not be required for life on exoplanets.

As temperatures climb and sleeves grow shorter, a familiar ritual returns: slathering on the sunscreen—or perhaps skipping it ...

A new congressionally mandated report from the National Academies of Sciences, Engineering, and Medicine examines the ...

The public is tuning out the seemingly slow warming of the world, but it doesn't have to be that way, argue Grace Liu and ...

In a recent breakthrough, Dr. Huo Zhipeng and his student Chen Zuoyang from the Hefei Institutes of Physical Science of the ...

BAKU, Azerbaijan, June 24.​ Authorities in Azerbaijan have confirmed that there has been no increase in natural radiation ...