Cruz, a 13-year-old mountain lion at Arizona-Sonora Desert Museum, was put down Thursday due to a series of medical ...

The Philadelphia Zoo announced the death of Tajiri, a 15-year-old African lioness who had been part of its pride since 2012.

The Zoo is mourning the loss of Tajiri, a beloved African lioness who passed away at the age of 15 after a recent cancer ...

The Philadelphia Zoo is mourning the loss of Tajiri, a cherished African lioness who had been part of the zoo family for ...

Cruz, the Arizona-Sonora Desert Museum's resident mountain lion for more than a decade, was humanely euthanized Thursday. He ...

While sifting through the juvenile mammoth’s genetic materials for traces of RNA, the team made another surprising discovery: ...

An international report highlights numerous irregularities in the mass transfers of specimens to the private facility in ...

According to the zoo, the 15-year-old cat had an aggressive form of cancer and had been carefully monitored for a decreased appetite and behavioral changes. They “made the difficult and compassionate ...

Veterinary science has become an innovative field, taking care of our beloved pets, but also to making breakthroughs that ...

Scientists have recovered the oldest-known RNA, a molecule necessary for most biological functions, from a woolly mammoth ...

The oldest known RNA, a molecule essential to the majority of biological processes, was found in a woolly mammoth that lived ...