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...
Yellowstone’s reawakened geyser won’t spark a volcanic ‘big one’
A geyser hiding under Yellowstone National Park recently reawakened. But don't worry: That doesn't mean...
Megadrought Caused Yellowstone’s Old Faithful to Run Dry
Yellowstone’s most famous geyser, Old Faithful, has erupted with an unusual degree of...