A complete skull of a long-necked plesiosaur has been discovered in Montana. The 70-million-year-old skull is one of the best specimens of its kind found in North America.
NASA satellite data and computer modeling and US Department of Agriculture information are helping track the remnants of the once mighty bison herd in Yellowstone National Park as they migrate with the melting snowpack.
Scientists at the Scripps Research Institute have found that reducing the core body temperature of mice extends their median lifespan by up to 20 percent. This is the first time that changes in body temperature have been shown to affect lifespan in warm-blooded animals.
Genetic analysis of an obscure, worm-like creature retrieved from the depths of the North Atlantic has led to the discovery of a new phylum, a rare event in an era when most organisms have already been grouped into major evolutionary categories.
The most detailed world map of mammals, birds and amphibians ever produced shows that endangered species from these groups do not inhabit the same geographical areas, says new research.