Monster black hole spews energy as regularly as Yellowstone’s ‘Old Faithful’

At the heart of a galaxy more than 570 million light-years away, energy flares into space so consistently that astrophysicists have dubbed the galaxy Old Faithful, like the famously predictable geyser in Yellowstone National Park. This is the first time such regular and frequent flares have been spotted emanating from a distant galaxy’s core. About […]

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 […]

800 years ago, Old Faithful went quiet. Soon, it might happen again.

Old Faithful, the famed geyser in Yellowstone National Park, erupts with such captivating regularity, they named the whole gushing spring after it. Phenomenal bursts of hot water and steam – fed by the geothermal activity of the Yellowstone supervolcano underneath – spurt up with such punctuality they can even be predicted, giving the geyser the nickname […]