Early warning systems send disaster deaths plunging: UN

Weather-related disasters have surged over the past 50 years, causing swelling economic damage even as early warning systems have meant dramatically fewer deaths, the United Nations said Monday.

How bringing back lost species revives ecosystems

Scientists often study the grim impacts of losing wildlife to hunting, habitat destruction and climate change. But what happens when endangered animals are brought back from the brink?

Erupting Hawaii volcano spurs warning for people to prepare

Waves of orange, glowing lava and smoky ash belched and sputtered Monday from the world's largest active volcano in its first eruption in 38 years, and officials told people living on Hawaii's Big Island to be ready in the ...

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