Decades after tigers in Kazakhstan died out, the government is planning on bringing them back to their natural habitat.
When an asteroid struck Earth 66 million years ago, it didn't just cause mass extinctions — it might've put our planet it darkness for years.
The invasive Asian carp could wreak havoc on the Great Lakes fishing industry.
Xanda, son of Cecil — a famous wild lion — was killed by a trophy-hunter in Zimbabwe. It appears to have been a legal hunt.
Missouri, Louisiana State, Auburn and Clemson are forming the U.S. Tiger University Consortium to try to double wild tiger populations.
Humane Society International helped shut down the farm just before a yearly event that traditionally features dog meat soup.
A congressional committee approved a measure to overturn a rule that restricts the slaughter of horses for meat.
Ravens appear to have cognitive skills we've only seen in humans and chimpanzees until now.
For the first time, scientists successfully cryopreserved fish embryos.
Junk food is a go-to bait to attract bears; it's used so much that the animals are now integrating the high-calorie snacks as a dietary mainstay.
Two government agencies have subpoenaed SeaWorld officials about how they responded to the fallout from the "Blackfish" documentary.
The Interior Department says Yellowstone grizzlies have rebounded enough to come off the endangered species list.