Is there too much public land in America? Some think so, which is why it's important to understand the ongoing battle over those lands, whether they fall under the National Park Service, U.S. Forest Service, or U.S. Bureau of Land Management or other federal land manager.

Officials from Badlands National Park in South Dakota are hosting open houses this week to consider a proposal to release bison on the South Unit of the national park.

A disease that afflicts sea stars has taken root in Pacific waters from Alaska down to California, including portions of Redwood National and State Parks. Biologists say this year's mass mortality tied to the disease is "unprecedented."

Twenty-first century technologies are being relied upon to help explain, and even physically buttress, Revolutionary War tactics at Ninety Six National Historic Site in South Carolina.