News tagged with rocky mountains

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US removes gray wolf from endangered list

The US government said Wednesday it is formally removing about 1,300 gray wolves in the Rocky Mountain region from the endangered species list, capping a legal battle that has dragged on for years.

May 04, 2011 4.5 / 5 (8) 90

Ancient Colorado river flowed backwards

(PhysOrg.com) -- Geologists have found evidence that some 55 million years ago a river as big as the modern Colorado flowed through Arizona into Utah in the opposite direction from the present-day river. Writing in the October ...

Oct 04, 2010 5 / 5 (5) 3 | with audio podcast