An earthquake hit in America's Heartland, striking in a region sitting above ancient volcanoes that were active billions of years ago.

For the first time in 180 years, descendants of the extinct Floreana giant tortoise are reclaiming their ancestral homeland. But scientists required a cutting-edge tool to identify the ideal location ...

For the first time in 180 years, descendants of the extinct Floreana giant tortoise are reclaiming their ancestral homeland.

On a hot February morning, Galápagos National Park rangers released 50 giant tortoises back to Floreana Island—marking the ...

Giant tortoises have been reintroduced to Floreana Island in the Galapágos, 180 years after going extinct there.

For the first time in 180 years, giant tortoises walk again on Floreana Island—in largest restoration effort ever undertaken ...

A unique phenomenon appeared in an Upstate New York park as frigid temperatures consumed the Northern Tier of the U.S. and encased most of the region in snow and ice. Located in Letchworth State Park, ...

In studying how earthworms handle the extreme soil conditions within an active volcano, scientists have discovered how rapidly it adapts to the environment. Experts believe that better understanding ...

Embark on a visual journey across the European continent to discover twenty of the most breathtaking and historically significant castles. From the mist-covered highlands of Scotland to the dramatic ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Mysterious activity at Mexico’s Chichón volcano has experts on edge as underground signals point to a brewing change. © A Silent Volcano In Southern Mexico Is ...