The group argues that each of the elephants are suffering both physically and psychologically due to their confinement, ...

A Washington, D.C.-based animal-rights nonprofit on Tuesday sued the operator and head of the Pittsburgh Zoo & Aquarium, ...

The Nonhuman Rights Project sues the Pittsburgh Zoo for inadequate elephant living conditions, seeking sanctuary for the ...

The operator and head of the Pittsburgh Zoo is facing a lawsuit filed by a Washington, D.C.-based animal rights nonprofit, ...

Chimpanzees in Michigan are not considered “persons” with human rights, according to the state’s Court of Appeals.

The Michigan Court of Appeals has denied a writ of habeas corpus for seven chimpanzees currently at the DeYoung Family Zoo in ...

An animal rights group has filed a lawsuit against the Pittsburgh Zoo & Aquarium and is demanding the zoo release its ...

A court hearing Tuesday will determine whether an Upper Peninsula zoo should have to justify the captivity of chimpanzees.

Chimpanzees in Michigan are not considered “persons” with human rights, according to the state’s Court of Appeals.

A case of whether seven chimpanzees at the DeYoung Family Zoo in Wallace should be granted habeas corpus rights was heard by ...