Seeing chimps in entertainment may jeopardize their endangered status.
The 1,300 gray wolves in the Rocky Mountain region are considered recovered and are losing federal protection.
Language slipped into the budget bill has removed an animal from the endangered species list for the first time.
The elusive cat was first placed on the endangered species list in 1973.
Ancient DNA may hold the key to saving endangered species such as the Tasmanian devil.
A final refuge of Arctic summer sea ice may be the last outpost for polar bears. But that doesn't mean they're in the clear.
This advanced use of stem cell technology could help preserve endangered species.
This advanced use of stem cell technology could help preserve endangered species.
Due to under-reporting, the actual figure could be several fold higher.
The loss of more than a fifth of the planet's 380,000 plants is potentially catastrophic for life on Earth.