GirlTrek marches into Selma

Are Whales Trying to Tell Us Something?

When Climate Disaster Strikes, Slums Are Vulnerable. Better Maps Help

A group of nonprofits are mapping informal settlements to make aid distribution, reconstruction and resilience planning easier.

Maps say this place doesn’t exist. But that’s not true

Millions of people live in unmapped regions around the globe. Here’s why it’s critically important that we help close map data gaps.

Scientists are learning the basic building blocks of sperm whale language after years of effort