Amassive chain of extinct volcanoes has been discovered deep below southern China, revealing a hidden piece of Earth’s geological history. This arc of fossilized volcanoes, more than 400 miles long, ...

For two months, whenever I heard that cry, I would run up to the deck of the JOIDES Resolution to watch the crew pull up a 30-foot (10-meter) cylindrical tube filled with layered, multicolored rock ...