A report in the journal Nature estimates that the amniote tracks date to between 350 million and 359 million years ago.

Fossilized footprints of a primitive reptile found on a slab of rock from Australia could rewrite the story of how animals ...

Jonathan is the world’s oldest known land animal—born in 1832. He lives on the island of Saint Helena. This deep-sea giant ...

Seventeen footprints preserved in a slab of sandstone discovered in southeastern Australia dating to about 355 million years ...

There are many species of tortoise. Tortoises are slow moving reptiles and are the longest-living land animals in the world. Some are known to have lived for over 150 years. The common lizard is a ...

They can live over 200 years, making them the longest-living mammal. Evidence suggests that 19th-century harpoon fragments are found in them, remarkably contributing to their lifespan and ...

New fossilized tracks made by an ancient reptile indicate that these animals evolved tens of millions of years sooner than scientists first thought.

Editors' note, December 16, 2024: This article has been updated to clarify that jellyfish and sponges are both some of the longest-living invertebrates.