In a river of western Brazil, an “armored” creature with bumpy lips swam through the “dark tea-colored” waters. Something ...

The shrinking of a mighty Mexican river has hollowed out the economy of Chihuahua’s Conchos Valley and bred civil unrest as ...

The Mora National Fish Hatchery is the only hatchery in the world dedicated to raising the threatened Gila Trout for both: ...

Fishing duo Cole and Jay hike half a mile to hook five different fish species in one pool.

Information and photos provided by New Mexico Department of Game and Fish Fishing for some of New Mexico’s favorite species ...

In the southern hills of the Mexico state of Coahuila, water bubbles from below the surface to create crystal clear pools ...

The Gulf’s commercial menhaden fishery is killing and wasting 22,000 redfish annually in Louisiana but still less than ...

Along the 35-mile stretch between Sonora and Ozona, a “river of monarchs” was flying across the highway at windshield height. Maresh veered a bit in an attempt to miss one butterfly and ended up ...

Federal officials cited "logistical reasons," but conservationists worry the delay is due to livestock industry lobbying.

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

As some of the worst fires in Los Angeles history swept through the Pacific Palisades and Altadena neighborhoods in January ...

Here's everything you need to know about the Mexican axolotl salamander — from organ regeneration and conservation efforts, to cultural mystique.