Over the last 540 million years, the Earth has weathered three major ice ages — periods during which global temperatures plummeted, producing extensive ice sheets and glaciers that have stretched beyond the polar caps.

Access to clean water remains one of the biggest challenges facing humankind. 

An international team of researchers has analyzed the use by sea otters of large, shoreline rocks as “anvils” to break open shells, as well as the resulting shell middens. 

Human social life would be unthinkable without cooperation. 

Researchers have examined a method to extract rare-earth elements from mining waste that could provide the world with a reliable supply of the valuable materials.

As high-tide flooding worsened in Norfolk, Virginia in recent years, Margaret Mulholland, a biological oceanographer at Old Dominion University, started to think about the debris she saw in the waters that flowed back into Chesapeake Bay. 

Every year, 1.4 billion mobile phones are produced around the world. 

Green tea cut obesity and a number of inflammatory biomarkers linked with poor health in a new study.

Antifreeze is life’s means of surviving in cold winters: Natural antifreeze proteins help fish, insects, plants and even bacteria live through low temperatures that should turn their liquid parts to deadly shards of ice.

The University of Colorado School of Medicine’s Department of Emergency Medicine is a leader in studying the effects of climate change on human health, and Cecilia Sorensen, MD, has put the mileage on her shoes to prove it.