Rat lungworm, a parasite that can infect certain animals and humans and prove fatal, was found in wild opossums, rats and a wallaby at the San Diego Zoo, according to a new study published by the U.S.

A brain‑invading parasite better known as rat lungworm has quietly surfaced in San Diego County, turning up in wild animals ...

SAN DIEGO — San Diego Zoo staff and animal lovers are reeling this week following the death of beloved Gramma the Galápagos tortoise, by far the zoo's oldest resident, in what has been a year marked ...

Gramma, a Galápagos tortoise that the San Diego Zoo called “a quiet and constant presence” for nearly a century at the Zoo, has died. Yes, a century, dating back to the zoo’s early days. The zoo, in a ...

SAN DIEGO — One of the first animals brought to the San Diego Zoo has died at the age of 141 years old. The zoo announced the death of its beloved Galápagos tortoise, Gramma, on social media, saying ...