The Oklahoma City Zoo announces the birth of a Sumatran tiger cub, highlighting conservation efforts for the critically endangered species and the zoo’s ongoing breeding program.

In a vote on Thursday afternoon, the U.S. House of Representatives passed a bill that will delist the gray wolf from the ...

Fewer than 400 of the critically endangered North Atlantic right whales remain. However, federal lawmakers have been weighing proposed rollbacks of some protections for the mammals.

The Oklahoma City Zoo announced the addition to its animal family following the birth of a critically endangered Sumatran ...

Governor Gavin Newsom this month celebrated a monumental achievement for California as salmon are making a comeback in ...

“Horseshoe crabs have saved countless human lives, and now New Yorkers are returning the favor,” said Will Harlan, a senior ...

Once on the brink of extinction, the birds now have a new sanctuary on an isolated stretch of the Gulf Coast between Corpus ...

The federal government is trying to fend off a lawsuit challenging a boat speed limit designed to protect endangered North Atlantic right whales, which migrate each year to calving grounds off ...

Two African penguin chicks have been born at Adventure Aquarium in Camden. Their birth comes as the species faces increased ...

Great apes are humans' closest relatives in the animal kingdom. As much as 98.8% of their DNA is shared, but while the number ...

The Department of the Interior announced the new proposal in November, stating the rules support the administration’s focus ...

The Oklahoma City Zoo welcomed a critically endangered Sumatran tiger cub, offering a rare boost for a species with fewer than 400 left.