Hope was last seen traveling with another critically endangered Mexican gray wolf, whose whereabouts remain unknown.

The 2024 election cycle will continue to be discussed and debated by pundits and social scientists for years to come, but the majority will overlook one group that lost big in this election: animals.

The zoo and aquarium has faced years of animal abuse allegations, and now welfare groups are calling on the government to step in to prevent further deaths.

The retired research chimpanzees at the Alamogordo Primate Facility, where they were once used as test subjects, will soon be relocated to Chimp Haven sanctuary.

The stadium’s decision to use a live tiger has been widely criticized as cruel and outdated.

Over 250 U.S. veterans are urging the Army to stop testing weapons on live animals, a practice involving shootings, mutilations, and lethal trauma experiments.

Two pro-animal initiatives have failed to gather enough support after appearing on the ballot for all Denver voters.

The compassionate move comes after modern research into animal welfare has shown that elephants do not cope well in captivity, with zoo enclosures unable to meet the complex needs of elephants.

The aquarium chain has shut its Texas location after whistleblower reports revealed animal abuse including sharks likely starving to death and marine animals dying in plastic bags during transport.

The government's little-known Wildlife Services continues to use the ‘horrifying’ bombs in national forests to kill wildlife including coyotes and foxes.

The scientific research reveals that microplastic exposure is now so widespread that it has been detected in wild bottlenose dolphins.

Viral footage of law enforcement discovering the stranded dog near a highway led to mass calls for the owner to be identified and held accountable.

The dolphins at Epcot are being sent to a dolphinarium which has one of the highest death rates in the US, leading campaigners to call for the animals to be transferred to a sanctuary instead. 

Conservationists say more wildlife crossings could help protect the long-term survival of the species, which is regarded as the most endangered wolf in the world.

Stunning photos show the birds flying free from their transport cages as they returned to their natural habitat.

The city’s pioneering health scheme has made plant-based meals the default option for patients, who are still welcome to request meat dishes. Now a comprehensive review has found that the vast majority choose - and enjoy - plant-based meals.

The lifelike robot offers an ethical alternative to the country’s estimated 2,500 temple elephants who are kept in captivity to be used in processions and in acts of worship.

The United States is one of the largest importers of products containing ejiao, a gelatin made from boiled donkey hides.

The Tribal Heritage and American Bison, Grizzly Bear, and Wolf Restoration and Coexistence Act would establish permanent federal protections for these three species and expand recovery efforts and coexistence measures.

The shocking case has reignited calls for tougher laws to help curb animal fighting crimes, which welfare groups say are “prevalent” across the US.