The Kansas City Chiefs and the Philadelphia Eagles are set to face off during Super Bowl LIX on Sunday. Maritime Aquarium's ...

Gray seal Gunther opens his mouth on cue during a training session with an American Trail animal keeper. (Connor Mallon, Smithsonian’s National Zoo and Conservation Biology Institute ...

Staff at Smithsonian’s National Zoo in the District are mourning the death of a male gray seal, Gunther, at the age of 33, the zoo said. Keepers first noticed Gunther’s lack of appetite and ...