Monarch butterflies are the prospective winners in a plan to boost tourism and curb illegal logging in a poor area of central Mexico.

Like Titanic, the liner sank in frigid predawn waters. But all Explorer's passengers were rescued, and a National Geographic ship was first on the scene.

Nonvolcanic tremors deep in Earth's crust ramp up and quiet down with the rise and fall of the ocean's tides, a new study says.

Activists protest Japan's whaling, a deadly mine accident roils Ukraine, fog envelopes Dubai skyscrapers, and more.

Donald Trump's planned Scottish-coast golf resort is drawing protest from conservationists who fear it would disrupt the habitats of threatened bird species.

Populations of polar bears can be pushed to the brink of collapse if hunters kill too many males, a new study suggests.

A minke whale that swam more than 800 miles up the Amazon River was found dead this week, far from its Atlantic Ocean home.

A tree admired by Anne Frank was saved Tuesday by a Dutch judge who disagreed with Amsterdam officials about its safety.

Wildlife conservationists in India have devised a humane way to prevent wild elephant attacks on settlements and crops -- building fences smeared with the world's hottest chili.

The world's largest oil and gas project could be damaged by erosion and seismic activity, say environmentalists concerned about the Russian island that hosts the soon-to-be-completed pipelines and plant.

The melting of the North American ice sheet more than 8,000 years ago may have caused a sea level rise that made farming conditions favorable in Europe, a new study says.

One small fishing community is coping with the loss of its boats, loved ones, and clean drinking water, after a cyclone hit Bangladesh last week.

Bangladeshis scrambled to deliver aid after last week's cyclone and bury more than 3,000 dead. "Our condition now is worse than dead," said one survivor.

A minke whale was found stranded deep in the Brazilian rain forest, having traveled hundreds of miles up a freshwater river from the ocean.

The worst cyclone to hit Bangladesh in more than a decade has left at least 3,000 people dead, and officials say that figure is likely to rise sharply.