For the first time, researchers have mapped the population structure of silky sharks (Carcharhinus falciformis) in the Eastern Pacific Ocean, offering new insights that could guide future conservation ...

Scientists have reported it for decades: overpopulation can impair reproduction. Crowded chickens lay fewer eggs. Crowded ...

Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a population size of roughly 200,000 to little more than 300. The most recent ...

The McCracken County Board of Education approved a memorandum of understanding with a researcher at the University of Dayton ...

A Swiss population cap of 10 million risks curbing economic output by as much as 12% through the end of the century, ...

A large population study of middle-aged adults suggests that habitual coffee drinking may have far less impact on sleep and daytime fatigue than commonly believed, raising new questions about ...

Presidential address for the Advanced Study Institute on 'Dynamics of Numbers in Populations' / A.D. Voûte -- Elements in the development of population dynamics / M.E. Solomon -- The dynamics of plant ...

Zoos are facing ageing populations that threaten the conservation of endangered species, and targeted culls may be needed to make room for young animals, the team led by Marcus Clauss at the ...

Scientists have some good news for rats and some bad news for city dwellers. Rat populations are rising in cities including Washington, D.C., and San Francisco, reports a study released Friday that ...