A scientific expedition to Peru has yielded a treasure trove of 27 new species, including an amphibious mouse, a "blob-headed" fish, and other zoological oddities. Ronald Diaz/Conservation ...

In addition, the family is agriculturally important because many species have nitrogen-fixing bacteria associated with the roots, providing a vital source of this important macronutrient. Recent ...

The federal committee that maintains the list on Thursday added five species that it deems threatened or endangered — the two most severe categories short of disappearing from Canada ...

An analysis of research on most known species around the world finds climate change puts many species at risk of extinction, and the risk increases with more global warming. When you purchase ...