The weather pattern over the United States is poised to change once again, pushing most of the country back to where we were back in December 2011: warm.
British, Russian and American teams all are aiming to sample buried lakes in Antarctica. Now a British team has returned after successfully hauling its gear into place.
On January 10, 2012, a powerful 7.3 magnitude earthquake struck off the coast of northern Sumatra, Indonesia, prompting officials to issue a brief tsunami warning.