For a pilot, the first signs of flying into an ash cloud can include sudden darkness, fluctuating airspeed, and landing ...

Uturuncu, a Bolivian ‘zombie volcano’ that hasn’t erupted in more than 250,000 years, has shown signs of life. But scientists ...

What began as a daring magnet fishing trip near an active railway turned into a tense and unforgettable moment. With trains ...

Yellowstone is using a 53,000-pound vibrator truck to create custom-made earthquakes to study the supervolcano the park sits ...