An invader shrimp, hopping a ride on an overseas freighter, has entered the Great Lakes, fulfilling an 8-year-old prediction by Canadian researchers.
U.S. teachers say they cannot show the environmental movie "An Inconvenient Truth" to their students because of a policy against endorsing projects.
Chinese scholars have found a series of ancient wells they believe provided water for Genghis Khan's legendary hordes during their campaign in Western Xia.
Thanks mainly to Bush administration policy, the United States could soon find itself re-embracing the use of nuclear power.
A group of Chinese scientists is attempting to identify a 2,800-year-old mummy of an apparently Caucasian man found in an ancient tomb.