Although there were no documented eruptions of Old Faithful in Yellowstone for a full day last week, scientists are not concerned. Turns out the ...

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 ...

We finally have a good estimate of the volume of water Old Faithful pumps out with each eruption, as well as other measurements that remind us it isn't quite so faithful as you might think. Despite ...

The geyser is likely to fall back into dormancy soon, but there's a slim chance the spectacular eruptions will continue into summer. Reading time 3 minutes Yellowstone’s Norris Geyser Basin is home to ...

How do they tell when Old Faithful will next erupt? Even early explorers to what is now Yellowstone National Park called the park's most famous geyser Old Faithful. This geyser goes off every 60-90 ...

For the first time, scientists have accurately measured the volume of water expelled by Yellowstone's Old Faithful geyser, averaging 7,370 gallons per eruption. The study, conducted in April 2025, ...

Yellowstone National Park is full of surprises. With more than 10,000 geothermal features dotted across its forests and basins, this wild landscape of steam, mudpots, hot springs, and jets of boiling ...

Tom has a master’s degree in biochemistry from the University of Oxford and his interests range from immunology and microscopy to the philosophy of science.View full profile Tom has a master’s degree ...