@CNN: Yellowstone National Park’s Steamboat Geyser, the world’s tallest geyser, just erupted for the third time in two months. Scientists aren’t sure why. https://t.co/QmkUUhIuPi https://t.co/3VR6hLB9FM

@CNN: Yellowstone National Park’s Steamboat Geyser, the world’s tallest geyser, just erupted for the third time in two months. Scientists aren’t sure why. https://t.co/QmkUUhIuPi https://t.co/3VR6hLB9FM