New research finds lake under Mars ice cap unlikely

Cornell University researchers have provided a simple and comprehensive—if less dramatic—explanation for bright radar reflections initially interpreted as liquid water beneath the ice cap on Mars' south pole.

A new era for an ancient river

The largest river restoration project in U.S. history is underway along the Klamath River. One aging hydroelectric dam along the river's Lower Basin was decommissioned last fall, and three more are being removed this year.

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