Study reveals 60 million years of penguin evolution

An international team of 40 researchers analyzed the genomes—the complete set of DNA—of all living and recently extinct penguin species and combined this with the fossil record to gain new insights into the key events ...

After Yellowstone, floodwaters menace Montana's largest city

Devastating floodwaters that wiped out miles of roads and hundreds of bridges in Yellowstone National Park and swamped scores of homes in surrounding communities moved downstream Wednesday and threatened to cut off fresh ...

UN sets 5-year goal to broaden climate early warning systems

The chief of the United Nations announced a project Wednesday to put every person on Earth in range of early weather-warning systems within five years as natural disasters have grown more powerful and frequent due to climate ...

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