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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

Rare Giant Rat Is Photographed Alive for First Time

An Expedition Finds a ‘Lost’ Mammal and a Shrimp That Lives in Trees

This Ancient Sea Creature Prowled the Waters Over North Dakota

These Starfish Face Extinction. Scientists Are Helping Them Mate.

New Support for Some Extinct Tasmanian Tiger Sightings

Dammed Rivers Spell Peril, and Inbreeding, for Platypuses

First Known Family of Neanderthals Found in Russian Cave

For These Isolated Penguins, Two Eggs Are Not Better Than One

To Save Whales, Don’t Eat Lobster, Watchdog Group Says

A ‘Sea Cow’ That Evoked Mermaids Is Extinct in Chinese Waters, Study Finds

Pigs to the Rescue: An Invasive Species Helped Save Australia’s Crocodiles