A pig-sized, tusked creature that roamed the earth some 27 million years ago represents a missing link between the oldest known relatives of elephants and the more recent group from which modern elephants descended, an international ...
About 350 million years ago, at the boundary of the Devonian and Carboniferous ages, the climate changed. There was no one around to record it, but there are records nonetheless in the rocks deposited by glaciers and in tissues ...
A U.S. study suggests cerium oxide -- used in polishing glass and in car exhaust systems -- might be used to treat various eye disorders and other diseases.
U.S. pharmaceutical company Pfizer Inc. says clinical trials of its heart medication torcetrapib suggest the drug has a potentially serious side effect.
An Australian-led study has determined ads urging U.S. parents to talk with their children about the dangers of smoking only resulted in more young smokers.
Canadian researchers have found a cancer-fighting virus called VSV kills the most malignant form of brain cancer in mice.
A U.S. study suggests low-intensity laser treatment for age-related macular degeneration is ineffective in slowing or preventing vision loss.
Taiwanese officials say dengue fever has claimed its second life this year in the southern city of Kaohsiung.
U.S. physicists say the operations of two remote quantum systems can be synchronized so changes in one system are conditional on what occurs in the other.
The Internet is often called the information superhighway, but the real superhighway is the optical fiber that connects computers around the world at the speed of light, according to John Badding, Penn State associate professor ...