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In the Canadian Arctic, a mystery has troubled scientists and local communities for decades: Why do marine animals in the western Arctic have higher mercury levels than those in the east?

A new study casts doubt as to whether plants will continue to absorb as much carbon dioxide in the future as they have in the past due to declining availability of nitrogen in certain parts of the world.

Do you eat fruits and vegetables? What about nuts? If so, you can thank an insect pollinator, usually a honey bee.

A mild winter could be in store for much of the United States this winter according to NOAA’s Climate Prediction Center.

The Florida Keys coral reefs stopped growing or significantly slowed their growth at least 3000 years ago and have been balanced between persistence and erosion ever since, according to a new study by the U.S. Geological Survey.