In Secwepemcúl’ecw, a bighorn sheep herd too small to survive gets a second chance

Twelve California bighorn sheep were successfully relocated to the Chasm mountain range from Battle Creek to help repopulate ...

First, the frogs died. Then people got sick.

As dozens of frog species have declined across Central America, scientists have witnessed a remarkable chain of events: With fewer tadpoles to eat mosquito larvae, rates of mosquito-borne malaria in ...