For 17 years Wallen was the team leader of Yellowstone National Park’s bison ecology program. He retired six years ago and in ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

Though bison are well-suited for the harsh climate of Yellowstone National Park, the winters from 1995 to 1997 were particularly severe in the high country, forcing bison to leave the park in ...

Ovine brucellosis is a very contagious zoonotic disease distributed worldwide and constitutes a very important zoosanitary and economic problem. The control of the disease includes animal ...

the rate of brucellosis infection increases. Wildlife veterinarians warn that these crowded animals become vulnerable to an outbreak of an always fatal chronic wasting disease, a cousin of mad cow ...

In Indiana, the bulk of that regulatory responsibility falls onto the Board of Animal Health and the Department of Natural ...