The vaquita is a porpoise that is native to the Gulf of California. They're susceptible to getting stuck in fishing nets that are banned in Mexico.
Some environmentalists were especially worried about the Pacific walrus, but officials say new evidence suggests the species isn't critically at risk.
A new study looking specifically at panda habitats found the species has less habitat space now than it did roughly 30 years ago.
The Secretary of Interior suggested shrinking four monuments and allowing commercial activity on 10 of them.
Even though they've been taken off the IUCN's endangered species list, snow leopards are still vulnerable - especially to climate change.
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.
Scientists have discovered how to breathe life back into species that were once considered extinct — but doing that could have consequences.
A new bill could give governors the right to choose if they want to enforce endangered species protections.
Since first being listed as endangered, the manatee population has rebounded to over 6,600 individuals.
Animal conservation is getting high-tech — but so is the hunting and poaching that threatens it.
A U.S. appeals court has stripped the wolves of their federal protections.