All Stories
- Agriculture
Protecting cows—and people—from a deadly disease
Mad cow disease has appeared in the United States, but scientists say it can be contained easily.
- Planets
Catching a Comet’s Tail
A closeup visit by a NASA spacecraft helps show how a comet gets its shape.
- Brain
The Violent Side of Video Games
Playing video games and watching TV and movies can change the way we act, think, and feel.
- Animals
A hangout for elusive blue whales
Scientists have now found a place off southern Chile where blue whales gather.
- Fossils
Teeny Skull Reveals Ancient Ancestor
A tiny fossil skull represents the earliest known ancestor of monkeys and apes.
- Environment
Sounds and silence
Protecting nature's sounds and just taking the time to listen can enrich our lives.
- Tech
Toy Challenge
A toy design contest encourages both girls and boys to take an interest in engineering.
- Humans
Digging up Stone Age art
Researchers have uncovered some very old, mysterious animal sculptures.
- Animals
Baboons listen for who’s tops
Baboons can tell who's in charge by the sound of voices alone.
- Chemistry
Unscrambling a Gem of a Mystery
A new method can pinpoint which mine an emerald came from.
- Tech
Model Plane Flies the Atlantic
A historic flight takes an 11-pound model airplane over the ocean.
- Brain
Worry seems to shorten a timid rat’s life
Rats that prefer familiar settings tend to die younger than do more adventurous rats.
