WWF sounds warning on caviar

Poaching and illegal trade in sturgeon caviar persist in Romania and Bulgaria, environmental group WWF warned on Monday, posing a serious risk to the highly threatened species of fish.

Chemical-munching mussels contaminating Great Lakes

Zebra mussels from the Caspian Sea, introduced to North America by accident, are becoming a veritable plague releasing toxic chemicals into the Great Lakes, Canadian biologists say.

Are all alien encounters bad?

The pages of ecological history are filled with woeful tales of destruction from non-native species -- organisms that originated elsewhere.

Study shows best places to protect marine mammals

(AP) -- From sea otters to blue whales, marine mammals are under stress from climate change, ocean acidification, hunting and other threats. Researchers have identified 20 important sites around the world where they say ...

Oldest Caspian Horse remains discovered in Iran

(PhysOrg.com) -- The Caspian Horse, also known as the "King's Horse" or the Mazandaran horse, is the oldest breed of horse still in existence. The newest discovery of remains makes it even older than originally believed. ...

15,000 reasons to worry about invasive species

A day at the beach in Wisconsin's North Woods didn't used to go like this. Candy Dailey spent a Fourth of July holiday splashing with grandkids on the sandy shore of Lake Metonga when she felt a nasty sting on her foot.

Jellyfish joyride a threat to the oceans

Early action could be crucial to addressing the problem of major increases in jellyfish numbers, which appears to be the result of human activities.

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