Ninety minutes: On average, that's the most you’ll need to wait to see Old Faithful, the most famous geyser in the world. Geysers are appreciated by many--just look at the crowds around OF--but ...

A rare roadside water eruption in Pennsylvania bursts from a long-abandoned coal shaft, creating an unusual East Coast ...

The English word geyser is derived from Geysir, a name given by Icelanders in the 17th century to an intermittently discharging hot spring in southwest Iceland. Geyser-like behavior in natural systems ...

Yellowstone's Steamboat Geyser erupted June 12, then erupted again three days later on June 15. That's a new record for the geyser – the shortest time ever recorded between eruptions, the Billings ...

If you’ve ever wondered how many bathtubs’ worth of water Old Faithful spews upwards on any given eruption, then you’re not alone. A team of researchers in Yellowstone National Park asked that very ...