John Hollenhorst

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One of Utah's most unusual tourist attractions is dying. A rare type of geyser that operates on cold water — sometimes called the "soda-pop geyser" — has apparently been plugged up by visitors dropp...
The guru of the Earthship home-design movement is coming to Salt Lake City to spread his gospel: how to live in a self-sustaining home without any connections to the utility grid. His futuristic, eye-popping ho...
In the past 15 years, scientists have dug up at least nine — and possibly as many as 20 — new species of dinosaurs in the Grand Staircase-Escalante National Monument. Now, National Geographic magazi...
Tesla Motors has installed a fourth fast-charging station in Utah. A Tesla owner who loves his sporty electric car says it helps keep his environmental conscience clear, but he has to plan ahead and not be in t...
Just across the Nevada border from Utah, one of the region's lesser-known national parks offers underground tours in a spectacular cave that's rich with scientific interest and clues about the history of the re...
A highly unusual construction project near Delta is transforming a buried deposit of salt into an enormous underground storage facility for propane and butane.
The politics of climate change in California are driving Utah's biggest power plant toward a momentous decision: staking the future of the Intermountain Power Project on natural gas instead of coal.
Sunday was the 25th anniversary of the "cold fusion" announcement that brought worldwide fame, and eventually embarrassment to the University of Utah.
David Schwendiman retired after a career that spanned some of the most violent and infamous crimes in Utah history. His legal skills were also used to prosecute war criminals in Europe and to protect the Olympi...
In a sport where a hundredth of a second could mean winning or losing a medal, a new piece of high-tech gear could give American speedskaters an edge at the upcoming Winter Olympics in Sochi.