Megadrought Caused Yellowstone’s Old Faithful to Run Dry

Yellowstone’s most famous geyser, Old Faithful, has erupted with an unusual degree of regularity since records were first taken, in the 1870s, discharging thousands of gallons of boiling, silica-rich water over 30 meters into the air an average of 16 times a day. Scientists studying fossilized wood samples buried and preserved by the […]