Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence ...

If it erupted today, it's thought Yellowstone in the northwestern United States could cause a prolonged nuclear winter and ...

After a 5.2 magnitude earthquake struck Southern California, elephants at the San Diego Zoo reacted instinctively, forming ...

The road winds gently up the mountain from the town of Lembang on Indonesia's main island of Java. The half-hour journey ...