Fossil tortoise at the Central Natural Science Collections at MLU. Credit: Markus Scholz / MLU The evolution of giant tortoises might not be linked to islands, as has previously been thought. In a ...

Simón Bolívar, the hero of the Latin American wars of independence, dreamed of South America becoming a single great power. After defeating Spain in 1821, Bolívar established Gran Colombia with Bogotá ...

What we stand on -- In Darwin's footsteps -- What's in a name? -- The many worlds at world's end -- Making a natural laboratory -- Restoring evolution -- Laboratory life -- All the way down Summary ...

Giant tortoises are some of the long-lived species on the planet. Here’s what biologists now understand about one of nature’s most impressive longevity experiments. Giant tortoises are redefining what ...

What do you think of when you hear the word “tortoise”? The giant tortoises that lumber along like tanks over the Galapagos Islands in the Pacific and the Seychelles in the Indian Ocean? The gopher ...

Spotting a Mojave Desert tortoise is increasingly difficult in the American Southwest. The tortoises, with their unmistakable domed patterned shells, live in California, parts of Nevada, Arizona and ...