Studies suggest that about half of the lamprey that approach the channel below the Bonneville Dam never go through a fish ...

The project comes as returns of the 450-million-year-old native fish species have shrunk to about 10% of historic numbers ...

His short trip was packed with adventure. "We visited Mosaic Canyon, Badwater Basin Salt Flats, Natural Bridge Canyon, Gower—Gulch Loop, Mesquite Flat Sand Dunes, Artists Palette, Ubehebe and Little ...

Shutterstock The Snake River’s Big Splash, Right in Our Backyard Imagine a waterfall taller than Niagara and wider than two ...

When beavers dam a stream, wetlands and ponds result that provide food and shelter for many other species. Dams also slow and ...

From exploring Arizona canyons to Utah buttes and beyond, our national parks columnist shares the most adventurous Southwest ...

Shutterstock 11 Remarkable Sights Within Carlsbad Caverns Carlsbad Caverns National Park in New Mexico is home to one of the ...

From extraordinary mansions by the canals dating back to the Dutch Golden Age to smart, repurposed industrial spaces, these ...

As crews prepare to crack the dam this month, farmers who rely on that water prepare for lean times and lawmakers debate funding for a new structure.

Looking for the best things to do in Page, Arizona? Here are the top 10 things to do in Page • The best activities, places to ...

For those who like their vacations with a hefty dose of education (you overachievers, you), the Heart Mountain Interpretive ...

Driving south from Morrison, you pass an intriguing pair of ponds called the Soda Lakes. For many years we said, “Someday ...