Throughout the West and particularly in Montana and Idaho, there has been a vilification campaign against carnivores, omnivores and predators. Partly based on misinformation, some borders on the ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, showcasing the cascading effects predators can have on ecosystems. In Yellowstone ...

The practice of purchasing live animals to keep as pets has become prevalent worldwide, with millions of households acquiring animals each year for the purposes of companionship or entertainment.

In 2001, CSU researchers established four intensive study areas in Yellowstone to test the effects of reduced browsing by fencing and increased water availability by creating simulated beaver dams. In ...

A hotter ocean is a hungrier ocean—at least as far as fish predators are concerned. In a new field study published online June 9 in Science, Smithsonian scientists discovered predator impacts in the ...

Long before whales and sharks, enormous marine reptiles dominated the oceans with unmatched power. Scientists have reconstructed a 130-million-year-old marine ecosystem from Colombia and found ...

The Ediacaran-Cambrian transition, occurring approximately 540 million years ago, marked a dramatic diversification of life.