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Cordilleran terrane collage

In the August 2014 issue of Lithosphere, Steve Israel of the Yukon Geological Survey and colleagues provide conclusions regarding the North American Cordillera that they say "are provocative in that they b ...

Aug 01, 2014 4.4 / 5 (5) 0

Where have all the swallows gone?

Extinction: the permanent loss of a species. It is deeply troubling—and scientists and birdwatchers are ringing the alarm about a bird species that only a few decades ago was widespread and very common.

Jul 23, 2014 4.9 / 5 (12) 2

Researchers try to save huge US salamander (Update)

With a long, slimy body and beady eyes, North America's largest salamander wouldn't top any cutest animal lists. The hellbender's alien appearance and mysterious ways have earned the big amphibian a bad reputation and unflattering ...

Jul 10, 2014 not rated yet 0