What are the world’s loudest birds? Here are 2 contenders

What are the world's loudest birds? Researchers say the bare-throated bellbird and red-legged seriema are 2 major contenders.

And the Fat Bear Week winner is … Backpack!

Congrats to Backpack, the winner of Fat Bear Week 2026! Take a look at the final brackets and see where your favorite fatties fell.

The Komodo dragon is the world’s largest living lizard

The Komodo dragon is the world’s largest lizard. It's a venomous predator that can hunt, swim between islands and reproduce without a mate.

Hurricane Nolo strengthening near Hawaii

Hurricane Nolo is strengthening south of Hawaii, and could bring potentially catastrophic flooding to the Big Island through the weekend.

Would a Yellowstone supervolcano eruption end humanity now?

Yellowstone has undergone 3 massive super-eruptions in the past. If the Yellowstone supervolcano erupted today, would humanity survive?

Hurricane Polo will come ashore next week

Hurricane Polo has been churning off the coast of Mexico. But forecasters say it will come ashore early next week, with remnants spreading into the U.S.

Scientists discover a new tiger cat hiding in plain sight

Scientists studying the tiger cat have found 5 distinct species, revealing more diversity among these familiar-looking wild cats than previously known.

1st adult T. rex trackway found by high school teacher

A high school teacher discovered 4 footprints that make up the 1st-ever known T. rex trackway. He discovered it at Hell Creek Formation in North Dakota.

Wildfires near the South Pole burned 90 million years ago

Researchers have found evidence in a sediment core in Antarctica that wildfires near the South Pole were a regular occurrence some 90 million years ago.

Crepuscular rays are sunrays in twilight skies

Crepuscular rays form around twilight when particles in the atmosphere reflect the sun's light beams toward our eyes. See photos of the phenomenon here.