Disappearing Peruvian glaciers

It is common knowledge that glaciers are melting in most areas across the globe. The speed at which tropical glaciers in the Peruvian Andes are retreating is particularly alarming, however. In the first detailed investigation ...

Why are mountains so high?

Over millions of years, Earth's summits and valleys have moved and shifted, resulting in the dramatic landscapes of peaks and shadows we know today. Mountains often form when pressure under Earth's surface pushes upward, ...

New species of giant salamander is world's biggest amphibian

Using DNA from museum specimens collected in the early 20th century, researchers from ZSL (Zoological Society of London) and London's Natural History Museum identified two new species of giant salamander—one of which they ...

Analysis finds US ecosystems shifting hundreds of miles north

Whole ecosystems are shifting dramatically north in the Great Plains, a phenomenon likely linked to human influences such as climate change, says new University of Nebraska-Lincoln research that analyzed nearly 50 years' ...

The universal beauty of the mountains can be seen in graphs

Mountains have character. The continuous gentle, wavy hills and wide valleys of the Carpathians, Appalachians or lower parts of the Alps contrast strongly with the soaring peaks, ragged ridges and deep ravines of the high ...

Survey: More Mexican gray wolves roaming southwestern US

More Mexican gray wolves are roaming the American Southwest now than at any time since federal biologists began reintroducing the predators more than two decades ago, the U.S. Fish and Wildlife Service announced Monday.

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