Are great white sharks endangered?

It's a mystery of the sea: How many great white sharks are prowling near California's surf lines? Some scientists say the population is large and healthy. Others say it is alarmingly small. No one has ever known for certain, ...

Five sea turtle populations are endangered

The United States issued a ruling on Friday saying that five world populations of loggerhead sea turtles are endangered species but four are only "threatened."

Miami blue butterfly to be declared endangered

The tiny Miami blue butterfly, reduced to a few hundred survivors on isolated islands off Key West, will be formally declared a federally endangered species on Friday.

Arctic drilling: Groups challenge Shell oil spill response plans

In an effort to hold oil companies to a higher standard in the Arctic Ocean, a coalition of conservation groups announced Monday that they are suing to challenge the federal government's approval of oil spill cleanup plans ...

US lists tiny Puerto Rican frog as endangered

(AP)—A Puerto Rican frog about the size of a peanut received federal protection Wednesday, ending a long battle to list it as an endangered species.

Monarch butterflies plummet 90 percent, need protection

Monarch butterflies are dying off fast, with 90 percent gone in the last 20 years, and they urgently need endangered species protection, a coalition of environmental and health groups said Tuesday.

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