Lake Ohrid, at 2 million years old, may be the most biodiverse lake of its size in the world, teeming with fish, snails, crustaceans, and more.

In a study with potential implications for the oceans and human health, scientists reported elevated mercury levels in dolphins in the U.S. Southeast, with the greatest levels found in dolphins in Florida’s St. Joseph and Choctawhatchee Bays.  

We may go to the woods seeking peace and quiet, but are we taking our noise with us? 

Emissions of nitrous oxide, the third most important human-made greenhouse gas, rose 40 percent from 1980 to 2020, according to a new report by the Global Carbon Project.

Edinburgh, no stranger to an occasional haze, experienced an unprecedented atmospheric event on 31 May, unlike any seen in over 30 years.

When soil microbes eat plant matter, the digested food follows one of two pathways. 

A new study finds that more than 50,000 Californians died from exposure to wildfire smoke over a little more than a decade.

In early May, the neurotoxic effects of the heavy metal mercury made news when outlets reported that 2024 U.S. presidential candidate Robert F. Kennedy Jr. said in 2012 that he experienced cognitive issues such as memory loss due to mercury poisoning, likely from a diet heavy in tuna.

Scientists have found in leafy vegetables traces of several chemicals used to prevent the aging and corrosion of car tires.

New research from the University of Illinois Urbana-Champaign has linked multiple types of per- and polyfluoroalkyl substances (PFAS, also known as “forever chemicals”) with increased risk of cardiovascular diseases in postmenopausal women.