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Scientists: Ash tree species pushed to brink of extinction

NEW YORK — Five prominent species of ash tree in the eastern U.S. have been driven to the brink of extinction from years of lethal attack by a beetle, a scientific group says.

Tens of millions of trees in the U.S. and Canada have already succumbed, and the toll may eventually reach more than 8 billion, the International Union for Conservation of Nature said Thursday.

Grand Teton National Park tries to understand crafty foxes

JACKSON, Wyo. — John Stephenson stood atop a boulder in a steep talus field high above Jenny Lake, turning a VHF tracking antenna from side to side.

To a layman the fuzzy beeps that bounced back sounded like a whole lot of nothing. To the Grand Teton National Park wildlife biologist, they told the tale of a red fox out of sight and on the move.