This article originally published at Mountain lion P-22, LA's 'dearly departed king,' readies for a grand return.

From deep growls rolling over savannas to haunting whale songs drifting through the ocean, many species rely on sound to stay ...

Seals and sea lions can adjust their voices, keep a beat, and even mimic human speech patterns, and a growing body of ...

Nature reserve fences can protect wildlife and people, but they also break up natural landscapes, restrict animal movement, ...

The crackbrained, suicidal Make America Grim Again carnival impedes the next alpha male wannabee from crawling from the swampy ooze, bellowing toxic masculinity and gaining public office.

Discover 15 incredible animals we might lose by 2030. See the rare photos and facts about these endangered species.

For his centenary special, the naturalist stays close to home – who could blame him? – and reveals a magical world teeming with cuteness ...

You know them and you might fear them, but snakes are our critter neighbors in Arizona. Here are 10 wacky questions people ...

The world cheered when Alex Honnold free-climbed a 101-story skyscraper in Taipei. Gather now, fickle public, to applaud the ...

The state placed six mountain lion species on the threatened list, so road and land developers must evaluate projects to not isolate pumas.