Help us solve an 800-year-old mystery. Explorer Albert Lin and his team are conducting a noninvasive survey in the region of the lost tomb of ruler Genghis Khan. You can help - by tagging clues and artifacts on satellite images of the area.
California has named the remains of the Apollo 11 mission a state historical resource. "Space archaeologists" fear that the trash and equipment left behind by the United States' journeys to the moon could someday wind up for sale on eBay if they aren't protected.
For 1,500 years, starting earlier than 5,000 B.C., there lived in the Lower Danube Valley and the Balkan foothills people who were ahead of their time in art, technology and long-distance trade.
