Investigate

Scientists Reveal the Hairy Truth About Giant Ground Sloths

A New Dinosaur Museum Rises From a Hole in the Ground in New Jersey

On a Mission to Heal Gila Monsters

Killer Whales Hunt and Feast on the Largest Fish On Earth

DNA Reveals the Origin Stories of America’s Captive Tigers

I Am the Walrus but This Fossil Was Not

Fearsome Sharks of Today Evolved When Ancient Oceans Got Hot

The Last Stand of the Woolly Mammoths

If You Give a Frog a Sauna, It Might Fight Off a Deadly Fungus

Unlikely Wild Animals Are Being Smuggled Into U.S. Ports: Corals

A Tale of Two Nearly Extinct Giant Salamanders

Scientists Create Elephant Stem Cells in the Lab

What Is a Species, Anyway?

This Ancient Fish Gave the Whole Ocean the Stiff Lower Lip

North Atlantic Right Whale Found Dead Near Martha’s Vineyard

First Bird Flu Deaths Reported in Antarctic Penguins

An Ancient Woolly Mammoth Left a Diary in Her Tusk

Rare North Atlantic Right Whale Calf Is Expected to Die From Injuries

First Case of Lethal Bird Flu in Polar Bears Reported in Alaska

These Vets Make House Calls for Killer Whales