An ancient volcanic eruption in the Galpagos Islands bequeathed diminished genetic diversity to one group of the archipelago’s famed giant tortoises, a new analysis suggests. Five subspecies of the ...

A volcanic eruption about 100,000 years ago in the Galapagos Islands left its mark on giant tortoises that are still plodding the planet today, according to a report in the current issue of Science.

Every Monday for the next six weeks I’ll be posting about my recent trip to the Galápagos. After a week on a big boat, hopping from one imposing volcanic island to the next, I saw most of the odd ...

The genes of some Galapagos tortoises bear the stamp of a volcanic eruption 100,000 years ago that nearly wiped them out 1. Each of the five volcanoes on Isabela Island at the western edge of the ...

A little over a year ago I spent a week on a big boat in the Galápagos. Hopping from one imposing volcanic island to the next, I saw most of the odd creatures that Charles Darwin famously wrote about: ...