Arctic sea ice melted over the summer to cover the third smallest area on record.
The fate of the Russian crew seeking the ice-choked Northeast Passage had long been shrouded in mystery.
In the wake of the oil spill in the Gulf of Mexico, the energy giant looks to avoid further controversy.
In 1850, the vessel embarked on a search mission to follow the trail of a doomed expedition to find the Northwest Passage.
Geological research shows that whenever Earth heats up a few degrees, the Arctic gets three times as warm.
Held up in legislative limbo in the United States, the Law of the Sea treaty could give other nations the authority to tap into natural resources in the Arctic.
A shallow spring in Canada holds a type of bacteria that could thrive on Mars.
Would you risk a Gulf of Mexico-type oil spill in the pristine U.S. Arctic Ocean? If things continue as planned, we'll all take that gamble when drilling begins on July 1.
The dam in northern Canada spans 2,800 feet and has likely been under construction since the 1970s.
Bacteria reprogrammed with 43,000-year-old mammoth DNA reveal clues to how the extinct mammals survived extreme cold.