Categories Selected Articles An active geyser in Yellowstone National Park has gone quiet — and experts are not sure why Post author By Post date December 9, 2025 Spread the love Steamboat, the tallest active geyser in the world, hasn’t erupted in more than 230 days. Spread the love ← Sick 8-word taunt by Minnesota ICE agents revealed during arrest of Somali woman → Seton Hall University Libraries: Homepage: Home