By David McAlary The U.S. Cassini spacecraft orbiting Saturn has found evidence that the giant planet's dazzling rings are decaying and may eventually be gone. And the rings are dirtier than thought,...
By David McAlary Ocean animals in parts of Antarctica are facing a food shortage. A new British study finds that a staple of the marine wildlife diet, tiny shrimp-like creatures called krill, has dram...
By Brian Byrnes More than 6,000 delegates from 194 nations have gathered in the Argentine capital of Buenos Aires for the 10th annual United Nations Convention on Climate Change. Monday's opening cere...
By Carrie Giardino The government of Chad is calling for international assistance to fight a cholera outbreak in the country. The World Health Organization says it is concerned that the disease could...
By David McAlary U.S. astronomers have made a finding they say increases the chance that distant stars may harbor planetary systems like our own. They have discovered two planets the size of Neptune e...
By Delia Robertson Changing the demographics of land ownership in South Africa is an ongoing and enormous challenge. Under apartheid, 87 percent of the land mass was earmarked for whites who comprised...
By Lisa Schlein The World Health Organization says Hepatitis E is sweeping camps for internally displaced people in the western Darfur province of Sudan. The agency says it has confirmed more than 620...
By Nico Colombant World Health Organization officials say the northern Nigerian state of Kano will start a catch-up polio immunization campaign Saturday, ending an 11-month religious-led boycott. The...
By David McAlary A panel of scientists and engineers appointed by the U.S. National Academy of Sciences urges NASA to refurbish the observatory one final time, predicting that compelling scientific re...
By Heda Bayron Hong Kong's top health executive has resigned after strong criticism for his handling of the outbreak of Severe Acute Respiratory Syndrome last year that killed nearly 300 people. Healt...