Conservation group American Rivers has named Snake River, which passes through four Western states, the most endangered river in the country due to a series of dams that it says are threatening the existence of the river’s native salmon…
Researchers dispatched a drone into the Hawaiian skies to observe an extremely biodiverse area on a remote part of Kauai's Kalalau Valley. The scientists soon realized they had rediscovered a flower species that was thought to be extinct.
A species of giant tortoise believed to have been extinct for more than 100 years has been discovered on the Galapagos island of Fernandina, according to Ecuador's government.
A small brown rat which lived on a tiny island off northern Australia is the world's first mammal known to have become extinct due to "human-induced climate change," the government says.
The Spix's macaw achieved onscreen fame in 20th Century Fox's "Rio" as a charming parrot named Blu who travels thousands of miles in an attempt to save his species.