Touching the Asteroid
Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring it back to Earth.
Nature's Fear Factor
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
A to Z: How Writing Changed the World
The creation of printing, the first information technology, drove empires and revolutions.
A to Z: The First Alphabet
The birth of writing and the first alphabet were among the world’s most vital inventions.
Secret Mind of Slime
Meet slime molds: the brainless blobs that can learn, make decisions, and navigate mazes.
We can now edit the human genome with a tool called CRISPR. But how far should we go?
CRISPR Gene-Editing Reality Check
CRISPR gene-editing technology is advancing quickly. What can it do now—and in the future?