Study: More evidence links earthquakes to energy waste wells

DENVER (AP) -- Scientists say they have more evidence that an increase in earthquakes on the…

Study: More evidence links earthquakes to energy waste wells

DENVER (AP) -- Scientists say they have more evidence that an increase in earthquakes on the…

Billions of dead trees force US fire crews to shift tactics

ALBANY, Wyo. (AP) -- Vast stands of dead timber in the Western U.S. have forced firefighters…

Billions of dead trees force US fire crews to shift tactics

ALBANY, Wyo. (AP) -- Vast stands of dead timber in the Western U.S. have forced firefighters…

Billions of dead trees force US fire crews to shift tactics

ALBANY, Wyo. (AP) -- Vast stands of dead timber in the Western U.S. have forced firefighters…

Billions of dead trees force US fire crews to shift tactics

ALBANY, Wyo. (AP) -- Vast stands of dead timber in the Western U.S. have forced firefighters…

Turkey bones may help trace fate of ancient cliff dwellers

DENVER (AP) -- Researchers say they have found a new clue into the mysterious exodus of…

Turkey bones may help trace fate of ancient cliff dwellers

DENVER (AP) -- Researchers say they have found a new clue into the mysterious exodus of…

2nd company shuts oil, gas wells after fatal Colorado blast

DENVER (AP) -- A second petroleum company said it would shut down and inspect wells after…

2nd company shuts oil, gas wells after fatal Colorado blast

DENVER (AP) -- A second petroleum company said it would shut down and inspect wells after…