Science writer & editor
Zeray Alemseged discovers bones from the dawn of humanity more than 3 million years ago
A scientist challenges the idea that no two snow crystals are identical
Sinkholes are engulfing buildings, roads, and even people. Can scientists learn how to predict them?
Life on "Mars"
Space simulations are teaching scientists what it will take to live on the Red Planet
Justin Beckerman built his own one-man submarine to explore a nearby lake
Venomous animals produce some of the deadliest poisons on the planet. They’re also saving people’s lives.
Back from the Dead
Should scientists bring extinct species back to life?
Turned to Dust
In the 1930s, severe dust storms whipped across the Great Plains. Could increasing drought bring on another Dust Bowl?
Mining the Moon and Beyond
As we use up Earth’s supply of minerals that are crucial to our lives, the race is on to extract them from space