It’s like going from all-you-can-eat steak to prison rations, says Dave Anderson, a Wake Forest University biology professor. Blue-foots often don’t raise young when they’re not eating well.

There are now at least 13 species of finches on the Galapagos Islands, each filling a different niche on different islands. All of them evolved from one ancestral species, which colonized the ...

On his visit to the islands in 1835, Charles Darwin noticed the slight differences between the same types of animal on each island. This helped him work out how they had adapted to their ...

My great, great, great uncle Edwin was part of an expedition that changed the way we think about the world. And I’m returning to the place he explored nearly 200 years ago, the Galápagos Islands!