Research by Montana Fish, Wildlife and Parks and Montana State University found that the majority of fish in the Big Hole, Ruby and Beaverhead rivers were healthy. Habitat issues remain.

A sudden increase in ilish fish in the Brahmaputra River at Assam's Dhubri district has left experts scratching their heads.

When it comes to finding the cheapest places to live in the U.S. for city dwellers, the best locations to settle down are mostly south of the Mason-Dixon line. Tennessee and Alabama are just a ...