News from Nature - Yellowstone National Park, home to the largest concentration of geothermal features in the world, is a hotbed for hot springs. Some hot springs can reach temperatures of 400 degrees Fahrenheit with waters as caustic as battery acid, yet millions of microscopic organisms thrive in this intense environment. Scientists believe that these tiny creatures are living fossils that may provide hints about early forms of life on Earth. Adventure and Exploration - Stonehenge has stood a silent watch over England's Salisbury Plain for centuries. Questions about the ancient structure have endured nearly as long as the giant stones themselves. A team of researchers lead by National Geographic grantee Michael Parker Pearson offers a new theory suggesting that Stonehenge was in fact a small part of a larger community. GeoCast - The Galapagos Islands are home to unique species found nowhere else in the world, such as the marine iguana. Capable of holding its breath for up to 10 minutes at a time, this evolutionary wonder is at home both on land and in the sea where the lizard feeds on beds of seaweed. Along the coast of northern Peru, National Geographic researcher John Verano searches for evidence left behind by the mysterious Moche. The discovery of an imposing tomb, with a 1,600-year-old mummy tucked inside, may provide the most intriguing clue yet to this complex civilization that continues to tantalize researchers. In Belize, Wild Chronicles descends deep below the Earth's surface where a band of cave explorers encounter creatures both creepy and fascinating. Carved by underground rivers, these dark and mysterious galleries are a new frontier for biologists brave enough to enter their depths.