Momotombo Volcano In Nicaragua Spews Gas, Lava: How Scientists Predict Volcanic Eruptions A month after showing signs of activity for the first time in years, a volcano in Nicaragua on Sunday blasted plumes of ash, gas and lava. Volcanic eruptions such as this are unpredictable, but scientists pay attention to several warning signs. by Alyssa Navarro
Science Experts Discover Yellowstone's Colossal Magma Deposit: What Will Happen If This Supervolcano Erupts? by Ted Ranosa
Science Forget Bardarbunga: Papua New Guinea Mount Tavurvur volcano giving airlines industry more headache by James Maynard