A groundbreaking study reveals that the Transpolar Drift, a major Arctic current, is far more dynamic than once thought. As sea ice melts and ocean patterns shift, pollutants from Siberian rivers are ...

This story was originally published by Grist with the headline New technologies are helping to regrow Arctic sea ice on Apr ...

A little over 5 million years ago, water from the Atlantic Ocean found a way through the present-day Strait of Gibraltar. According to this theory, oceanic water rushed faster than a speeding car down ...

Dr. Jessica Shepherd, chief medical officer for Hers, joins ABC News Live to discuss the results of the president’s physical.