Congratulations are in order for Mommy, a Galápagos tortoise and a longtime resident of the Philadelphia Zoo, who recently became a first-time mother at the estimated age of 100.

A new species of giant tortoise has been discovered hiding in plain sight on Ecuador's Galapagos Islands. A population of about 250 animals living in an arid inland area of Santa Cruz island turns ...

A giant tortoise species thought to be extinct has been found living on the Galapagos island of Fernandina. The discovery marks the first time researchers have located a Fernandina Island tortoise ...

A species of giant tortoise thought to have been extinct for more than 100 years has been found on the Galapagos island of Fernandina.

DNA analysis showed a recently discovered Galápagos Islands tortoise was the same species as a specimen found in 1906, according to a new paper.

Galapagos 'fantastic giant tortoise' was believed to be extinct for 100 years — until the discovery of a lone 50-year-old female nicknamed Fernanda ...

A Galapagos giant tortoise estimated to be about 130 years old is retiring after having so much sex that he saved his species.

With a treasure trove of endemic species, the Galapagos Islands are renowned for natural wonders and unique wildlife. Darwin's studies of the plants and animals there played a pivotal role in the ...

A rare species of giant tortoise was feared extinct after over 100 years without any sightings on the Galápagos Islands. But now, officials say they've found one. An adult female Fernandina Giant ...

A Galapagos tortoise has become a first-time mother at 100 years old. Keepers at Philadelphia Zoo announced the birth of four Western Santa Cruz Galapagos tortoise hatchlings - the first ever born ...

Goliath the tortoise had a big shellebration Sunday as he marked his first Father's Day. He also turned 135 at Zoo Miami.