We traveled to Yellowstone National Park to find out whether it deserves to be called one of America’s most beautiful places.

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 powers its eruptions.

Old Faithful may be the easiest place to see a geyser eruption in Yellowstone National Park, but the world's tallest geyser ...

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 ...

Giant Geyser, one of the two largest and most powerful geysers in Yellowstone National Park, has erupted twice in two months.

Unfortunately you've used all of your gifts this month. Your counter will reset on the first day of next month.

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 ...