Global warming skeptics must recognize that real -- not predicted -- climate change is already turning the Arctic into a potential military flash point.
Winter solstice 2009 falls Monday, marking the shortest day in the year for the Northern Hemisphere.
Highlights of Sarah Palin's 'Going Rogue' are well known. But her book also has some less-noticed details about Alaska politics and family life that are revealing.
Scientists say the Greenland ice sheet is losing about 7 billion cubic feet of ice a year. Now, they are just finally beginning to uncover some reasons why its been shrinking.
Yellow plants warm the garden in a cold climate.
Peter Zumthor's designs for an art museum emerging from a bombed-out church and thermal baths both caught the jury's eye.