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 David McAlary As the prevalence of heart disease increases worldwide, researchers have found that people in developing countries suffer from it for the same reasons people in industrial nations do....
By David McAlary The U.S. space agency, NASA, launched a satellite Saturday that scientists hope will help them locate the sources of mysterious gamma ray explosions, the brightest most energetic burs...
By David McAlary The U.S. space agency is planning to conduct its first completely automated rendezvous in space Tuesday. In a test of new technology, a spacecraft is scheduled to be launched to track...
By David McAlary Scientists have discovered fossils of an ancient, tiny species of human in an isolated part of Indonesia. They are bones from what they say is a smaller version of the now extinct imm...
By Jessica Berman The U.S. space agency has released the first close-up pictures of Titan, Saturn's secretive, giant moon. Photos from the international Cassini spacecraft show the orbiting object shr...
By David McAlary Researchers have shown that it may be possible to prevent sexual transmission of the AIDS virus HIV with a compound now in the experimental stage. Female monkeys who received it vagin...
By Rosanne Skirble Coral reefs are home to the greatest diversity of plant and animal life found in any habitat, anywhere on the earth. But, while they are found in 101 countries and territories, the...
By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved...
By Steve Herman Man's quest to track time accurately dates back thousands of years. The ancient Egyptians devised the sundial and the water clock. The Babylonians divided the hour and minute into 60 p...
By Peta Thornycroft Water rationing has been imposed in Zimbabwe's capital, where water shortages have reached critical levels. Half the city's four-million residents are either short of water or have...
