The largest active geyser in the world just erupted for a 5th time this year, puzzling Yellowstone National Park scientists and leaving more questions than answers as to the recent activity. Steamboat ...

A steam pipe exploded beneath Fifth Avenue in Manhattan early Thursday, hurling chunks of asphalt, sending a geyser of billowing white steam stories into the air and forcing pedestrians to take cover.

Steamboat Geyser, the tallest active geyser in the world, erupted more times in 2019 than in any other year, baffling scientists who are trying to understand what triggered this unusual streak of ...