Animals
Wild killer whales offer food to humans. Are they trying to befriend us — or manipulate us?
New Metal Bear Tooth Is World's Largest Crown
How do migratory birds know where they are going?
Southern Cassowary: A Giant Prehistoric Bird With Dinosaur Feet
14,000-Year-Old Ice Age 'Puppies' Were Actually Wolf Sisters Who Last Ate a Woolly Rhino
Instead of 'reviving' dire wolves, scientists should use gene editing to protect living, endangered species
Meet the 'dragon prince' – a newly discovered relative of the Tyrannosaurus that roamed Mongolia 86 million years ago.
Creepy blood-red squid with big hooks drifts through Antarctic Ocean's midnight zone in world's first video
Why are tropical animals so colorful?
Pacific spiny lumpfish: An adorable little fish with a weird sucker that resembles human teeth
Which animal has the best sense of smell?
