Mice genetically engineered to produce a human protein that protects nursing babies from viruses and bacteria could be a first step toward healthier baby formula, Russian scientists report.
Thousands of years before the Joker gassed comic book victims into a grinning death, Phoenicians were forcing smiles on the faces of the dead—and now we know how, scientists say.
A new filling derived from the bile produced during digestion could eliminate the need for mercury and other toxic chemicals in modern dentistry, a new study suggests.
On May 28, 1959, two U.S. monkeys became the first to make it back from space alive. Get to know these national heroes as well as some of the other animals that have been launched into the history books over the past 50 years.
When panda pornography didn't entice a male panda to mate with his female partner at a Thai zoo, staff next tried artificial insemination, which resulted in a surprise birth this week. Video.
See a coin-size snake, the world's first pregnant mother, a flesh-eating slug, and the rest of 2008's top ten new species, as named by an international panel of scientists.
Sperm whales have been filmed "elegantly" stealing cod from fishers' lines in Alaska, giving scientists a rare opportunity to learn about how these deep-diving giants hunt.
Recent Komodo dragon attacks on Indonesians—including a park ranger who shows his Komodo scars—have convinced some villagers that the man-size lizards are becoming more aggressive.Video.
Green fluorescent proteins in some primitive sea creatures may act as antioxidants that protect animals in times of illness or stress, a new study says.
