The largest of the true foxes, red foxes are also the most widespread, found across the entire northern hemisphere. But secretive Sierra Nevada red foxes — genetically and geographically distinct from ...

Wolves were once common along the West Coast, from the Olympic Peninsula of Washington state through Oregon to the far reaches of Southern California. As keystone predators wolves are vital for ...

Bluefin tuna are an ocean-going fish that grow up to 10 feet long and can weigh as much as 1,200 pounds. Unlike almost all fish, bluefin tuna are warm-blooded and able to regulate their body ...

DESCRIPTION: The ocelot is a medium-sized, spotted cat. It grows to about three feet long, not including its tail, and weighs around 30 pounds. It is described as crepuscular and nocturnal, spending ...

Synthetic phosphate fertilizer poses a serious threat to our environment. Phosphate rock mining, along with the inorganic fertilizers and animal feed supplements and pesticides for which phosphate is ...

For every county in the United States, the map below shows information on all the animals and plants protected under the U.S. Endangered Species Act as threatened or endangered. To see the number of ...

The Trump administration proposed to dramatically expand offshore drilling off every coast — in the Pacific, Atlantic, Gulf of Mexico and Arctic. At the same time, it rolled back offshore drilling ...

An analysis of oil and gas pipeline safety in the United States reveals a troubling history of spills, contamination, injuries and deaths. This time-lapse video shows pipeline incidents from 1986 to ...

Can you think of a more destructive way to extract resources than blowing up a mountain? How about if the waste from doing it is dumped straight into mountain streams? Mountaintop removal is a radical ...

The country has learned a lot since Rachel Carson's 1962 book Silent Spring alerted us to the hazards of poisonous chemicals. But pesticide use still poses major threats to imperiled wildlife and ...

Like the polar bear on the opposite pole, the emperor penguin endures almost unfathomable hardships to breed and nurture each new generation — fasting for months through the planet's harshest winter ...

DESCRIPTION: Savannah elephants are the larger of the two African elephant species. They also have thicker, more curved tusks, more triangulated ears, and differently shaped skulls. Both elephant ...