John Hollenhorst, KSL-TV | Posted June 14 - 10:31 a.m.
Lake Powell has drastically shriveled during 20 years of drought, allowing dozens of miles of the Colorado River to become a river again in world-famous Cataract Canyon. But why have many of its legendary rapids failed to return?
John Hollenhorst, KSL-TV | Posted March 16 - 7:57 p.m.
A relic of the Cold War dug up during a secret military operation a half-century ago under the Greenland ice sheet provided what scientists called "stunning" and potentially ominous insights into the future of a warming Earth.
John Hollenhorst, KSL-TV | Posted June 26 - 7:42 a.m.
Scientists aren't sure what causes a widespread phenomenon in Utah known as "desert varnish." Is it made by something that's alive? A Colorado professor thinks an effort to explain the mystery could help NASA scientists in the search for alien life.
John Hollenhorst, KSL-TV | Posted May 10 - 10:05 p.m.
When Utah celebrated the 150th anniversary of the driving of the golden spike, that marked the completion of the transcontinental railroad, the cheering section was pretty much statewide. But in a tiny Colorado town — not so much.
John Hollenhorst, KSL-TV | Posted Jan. 25 - 8:41 p.m.
The cows are part of a breed called Criollo, which traces at least some of its ancestry all the way back to Christopher Columbus’s second voyage to the Americas. The cattle are now on duty in southeastern Utah, grazing their way across one of the most beautiful ranches in the West.
John Hollenhorst, KSL-TV | Posted Jan. 21 - 5:12 p.m.
For skywatchers, 2019 started off with a bang Sunday night as millions were able to observe a blood moon lunar eclipse. In other respects it will be a typical year in the night sky. But that doesn't mean there won't be lots of splendid sights.
John Hollenhorst, KSL-TV | Posted Dec. 18 - 7:00 p.m.
You’ve probably seen a million Christmas displays over the years, but chances are you’ve never seen one quite like Lenza Wilson's concoction in Escalante. The "Christmas Train" is a one-man Christmas parade led by who hates Christmas music.