The Arctic research vessel Martin Bergmann temporarily ran aground early Wednesday morning in the Northwest Passage. The 19-metre vessel hit a sandy shoal in the Simpson Strait while travelling at ...

Weather patterns in the Arctic have been described as "freakishly warm." NPR's Michel Martin talks with climate science professor Katharine Hayhoe of Texas Tech University about what's behind it.

MICHEL MARTIN, HOST: ... Already, before the Arctic blast comes, places like D.C. are having issues with freezing pipes, and other parts of the country are dealing with the same thing.

The Martin Bergmann was travelling with the Canadian Coast Guard icebreaker WilfridLaurier. The 19-metre vessel hit a sandy shoal in the Simpson Strait while travelling at low speed. "Only five to ...