Violent swings in weather patterns occurred after Earth's climate crossed "tipping points" thousands of years ago, according to a new study of Greenland ice-core data.
The longest day of the year falls on Friday's midsummer solstice—unless you live in the Southern Hemisphere. Get the facts on why the solstice occurs and how people have celebrated through the centuries.
A fiery cave festival in Spain, an Indian butterfly dance, and a Times Square yoga fest -- if previous years are any hint, the 2008 summer solstice should be a day of worldwide rejoicing and revelry.
Wine presses found near sacred Mount Sinai were likely part of the area's earliest winery and probably produced holy wine for export, archaeologists say.
In the matriarchal Mosuo culture of southwestern China, women own property and determine family relationships. But this so-called free-love society is under threat from modernization.
More widespread death and destruction could occur if China rebuilds on the active tectonic faults that caused the May 12 quake in Sichuan Province, scientists say.
The World Day Against Child Labour raised awareness of the plight of child laborers around the world -- most of whom are impoverished and have no chance for a formal education.
An entire village inside a mountain is home to China's last known cave dwellers. It's a difficult life, but for the children, there's still room to play.
The date palm plant, which grew from seeds recovered in 1963 from the Masada fortress in Israel, has been confirmed as the world's oldest-sprouted seed.
The remains of a palace thought to have been used by the emperor Moctezuma (also called Montezuma) have been unearthed in Mexico City, archaeologists say.
