No one knows exactly when Gramma was born. But if the estimated birth year of 1884 is accurate, Chester Arthur occupied the ...

Opinion: Florida moves gopher tortoises to save them from development, but experts say relocation may not solve the bigger ...

Her life spanned a tumultuous period of U.S. and world history, from Chester Arthur to Donald Trump. To San Diegans, she was ...

ENGLE, N.M. — While the average lifespan of North America’s largest and most rare tortoise species is unknown, biologists have said it could span upward of a century. So saving the endangered species ...

Across nearly a century and a half, a single Galápagos tortoise watched the world change around her, outlasting wars, ...

Gramma, who died at the zoo on Thursday, was believed to have been born in 1884, when Chester A. Arthur was in the White ...

Federal wildlife officials say the threatened gopher tortoise does not need protections under the Endangered Species Act in most parts of Alabama, but wildlife advocates say the decision is ...

An occasional series where Mongabay founder Rhett Ayers Butler shares analysis, perspectives and story summaries. She moved ...

Scientists say a tortoise discovered in 2019 on the Galapagos Islands belongs to a species considered extinct more than 100 years ago. The single female tortoise belongs to the species Chelonoidis ...

The Floreana giant tortoise — a species that drew interest from Charles Darwin and that was long believed to be extinct — has a shot at revival thanks to restoration efforts underway in the Galapagos ...

When a small female tortoise was spotted in 2019 on the inaccessible volcanic island of Fernandina in the Galapagos, researchers were shocked. Previously, only one other tortoise, a large male loner, ...

ST. PETERSBURG, Fla. — Gopher tortoises imperiled by loss of habitat largely caused by human development should be placed on the endangered species list in four southern states, environmental groups ...