Thousands of new flowering plants - unknown to the world - might sit in storage for 50 years before it earns the title of "new species," according to a new study.
The endangered Sierra Nevada red fox hadn't been sighted in the past 20 years. But a series of photographs of the foxes in the wild has revived hope for the species' survival.
Satellite images are being used as the scientific basis for an agreement on climate negotiations at the U.N. Climate Change Conference according to Doug Morton.
It's getting hotter in the Arctic. Polar bears that move south will cross paths with grizzly bears. A new study suggests which species will come out on top.
Finally the weather lifted, and Operation IceBridge made a series of flights over the Antarctic Peninsula and a crucially important flight over the South Pole.