A new study finds that California’s commuters are likely inhaling chemicals at levels that increase the risk for cancer and birth defects.

A postdoctoral researcher at the University of Oregon has shown that linking pollen records to plant traits works to reconstruct the benefits ecosystems provide for humans.

A new USC study puts ocean microbes in a new light with important implications for global warming.

A geologist’s dream, Gros Morne National Park is one of the few places where you can set foot on the Earth's mantle without digging an inch.

There are hundreds of thousands of oval depressions dotting the Atlantic coastal plain—relicts of a cooler, drier, windier time.

Polar sea ice coverage was below average for the month

Researchers find some US forests add to global warming

The golden-mantled ground squirrel (Callospermophilus lateralis) is a popular sight among tourists in the Rocky Mountains—the small rodent is a photogenic creature with a striped back and pudgy cheeks that store seeds and other food. 

The European House Sparrow has a story to tell about survival in the modern world.

Cyanobacteria blooms are a major environmental issue worldwide.