PFAS, short for per- and polyfluoroalkyl substances, are not called "forever chemicals" for nothing. These ...

Hydroperoxides are strong oxidants that have a significant influence on chemical processes in the atmosphere. Now, an ...

A number of hypotheses have been used to explain how free oxygen first accumulated in Earth’s atmosphere some 2.4 billion years ago, but a full understanding has proven elusive. Now a new model offers ...

The optimal land–-atmosphere coupling heights for Earth system models tend to be near the top of the surface layer. This finding provides a potential guideline for setting proper reference heights for ...

During a La Niña, a counterpart to the El Niño weather pattern, drier than normal conditions are to be expected. But 2023, a La Niña year, turned out to be California’s 10th-wettest year on record.