Shortly before 10 a.m. on July 23, 2024, a violent hydrothermal blast ripped through Biscuit Basin in Yellowstone, hurling mud and steam into a towering plume estimated at 400 to 600 feet high. The ...

The bulge the size of Chicago has sparked fears it could erupt - but one scientist insists there are no major concerns yet, even as he keeps a watchful eye on its movements ...