A debate over whether the wolverine needs Endangered Species Act protection has prompted the U.S. Fish and Wildlife Service to extend its deadline for making the decision on that question.

What goes into Rebecca Latson's camera bag? We asked her that, and other, questions, with hopes the answers will benefit us all.

It's not unusual for find piles of stones marking the way for trails across open terrain in mountains, deserts and terrain otherwise devoid of easily recognizable landmarks, but these "cairns" can evoke a surprising amount of controversy both in an out of national parks. Sometimes, however, what appears to be a cairn is actually instead an item of historic interest.

Earlier this month Yellowstone National Park officials issued a release warning that grizzly bears very possibly would be active in their search for food this fall and humans should be especially alert. Well, it seems the bears took that message to heart.