Why do spider webs have zigzag designs? New research reveals how they act like vibration alarms to help the spider sense its ...

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

All I could see at first was a large tan body, long tail, black tip,' Joey Thometz recalled of his shocking close call with ...

Those of you who are brave enough to watch all the action, terror, and carnage unfold in the gripping adventure thriller can ...

When scientists compared what California sea lions eat in the Channel Islands (U.S.) and the Gulf of California (Mexico), they expected to find a clear explanation for why populations were booming in ...

Burmese pythons are an invasive species from Southeast Asia now established in South Florida. While freezing temperatures can be lethal to pythons, evidence suggests they may be evolving to tolerate ...

Amid challenges like dwindling salmon, noise pollution and climate change, the Pacific Northwest is wrestling with how to ...

New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two distinct subpopulations: inner and outer coast transients. Based on 16 years ...

As Africa's top predator, lions are the kings of the savanna, rightfully feared by by all manner of beasts, but humans are ...

Big, silent, and curious, mountain lions sometimes wander into areas where humans live. You might want to run, but here's ...

Around 14 years ago, a lone gray wolf crossed the border from Oregon into California, marking the start of a slow return of ...