Volcanic eruptions can destroy essential infrastructure, ground air traffic for days, wipe out entire cities, disrupt the climate for years, and even wipe out life on Earth, so it's important to know ...

From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...

These five U.S. states sit near supervolcanoes that could one day erupt, with scientists monitoring these areas for signs of ...

Yellowstone National Park, known for its stunning landscapes and geothermal features, is sitting atop one of the most ...