NEW YORK: New Zealand "living dinosaur", the tuatara, is the fastest evolving animal on Earth, a new study has revealed. Researchers have found that although tuatara have remained largely ...

Researchers have found that, although tuatara have remained largely physically unchanged over very long periods of evolution, they are evolving -- at a DNA level -- faster than any other animal ...

The tuatara is an animal of its own. At first glance, the tuatara looks like your average lizard. However, it belongs to a separate group of reptiles known as the rhynchocephalians.

On average, the tuatara lives for 60 years, but it can live to be older than 100. The oldest known living tuatara is Henry, a ...

Scientists have pinned down the fastest-known evolving animal — a "living dinosaur" called a tuatara. The tuatara, Sphendon punctatus, resembles a lizard and is found only in New Zealand. It is ...

The tuatara may look like a rather ordinary reptile, but it’s a highly unusual creature. This New Zealand native has a unique, ancient lineage that goes back to the time of the dinosaurs. There ...

New Zealand’s tuatara look like somber iguanas. But these spiny reptiles are not actually lizards. Instead, they are the last remnant of a mysterious and ancient order of reptiles known as the ...

An animal’s cell metabolism adjusts to help it cope with environmental extremes. The double mitochondrial genome might give tuatara flexibility in how their metabolisms respond to temperature ...

At present, the only living animal of the order Rhynchocephalia is the tuatara, a small, iguana-like reptile endemic to New Zealand. However, researchers believe rhynchocephalians were once found ...