A grey wolf prowls through Yellowstone National Park near Mammoth Hot Springs in Montana. A group of 66 wolves was reintroduced to Idaho and Yellowstone in the late 1990s. They now total 2,800 ...

Associate Professor Ben Sullivan explores the connections between local meadows and the health of the environment ...

In Sequoia and Kings Canyon National Parks in California, trees that have persisted through rain and shine for thousands of years are now facing multiple threats triggered by a changing climate.

On a special episode (first released on August 13, 2025) of The Excerpt podcast: 'Freakosystems' are novel ecosystems where native and invasive species mix. What do these wild wonders reveal about the ...

Yellowstone has long been a mecca for scientists studying how predators affect everything from elk grazing to vegetation height. They are still debating how to make sense of what they’ve learned.

Anybody who has seen me walking with a cane knows that I'm not exactly a spring chicken. Some might joke that my social life is an example of carbon dating. As an aging example of Homo sapiens, I'd ...

Michael J. McDonald receives funding from the Australian Research Council. Christopher Blake does not work for, consult, own shares in or receive funding from any company or organization that would ...

You’ve probably heard the news: Artificial intelligence, or AI, is the next big thing, and we’re all going to be sipping mai tais on the beach while our robot overlords do the heavy lifting for us.

Across North America, mountain lions, bears and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...