Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

Yellowstone may be America’s most famous national park, but many park rangers quietly agree that fame does not always equal ...

Scientists debunk decades-long study claiming wolves' reintroduction triggered a dramatic transformation in Yellowstone.

On Dec. 11, 2025, Colorado Parks and Wildlife officials captured and returned a wolf into Grand County, Colorado, that had ...

Winter is cold, winter is wind, winter is snow. Winter requires species to evolve, to respond to the snowpack to survive.

From new technologies and sciences helping reduce harmful emissions to signs that the planet is healing, here are some of the ...

This is the second story in a two-part series recapping Colorado’s second year of wolf reintroduction.  When Coloradans ...

Travel experts recommend Grand Canyon National Park and Yellowstone National Park as the best choices for first-time visitors ...

Keystone species play an outsized role in the ecosystem, affecting the natural balance in ways that cannot easily be replaced.

Throughout the year, we’ve highlighted podcasts produced by NPR member stations across the country. Now that it’s the last ...

It’s apparently the first fatal shark attack at Lovers Point in more than 70 years, but 3 years after a fellow swimmer was ...