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 ...

Old Faithful may be the world’s most famous geyser, but until recently, no one had a clear picture of the “plumbing” that ...

You're roaming Yellowstone National Park as the ground begins to rumble, pressure builds, and then…KA-BOOM! Goodbye to ...

A tourist breaking the rules at Yellowstone National Park was promptly led away by a park ranger.

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 ...

The National Park Service has released a smartphone app that lists when Old Faithful and five other predictable geysers could erupt.

Yellowstone National Park's Steamboat Geyser just erupted for the third time in two months, and scientists aren't sure why. It doesn't erupt very often, but when it does, it is the tallest active ...