onEarth In-Depth

The same technology used to detect heat in the cosmos may help endangered populations lift off.

Ecuador’s Yasuní National Park is home to indigenous people who live in near-total isolation from the rest of the world—and wish to remain that way

The country’s prison industry has little regard for where its facilities are located—even if that means building on noxiously polluted ground.

Nonlethal methods to protect livestock from predators are gaining momentum as pressure mounts to ban poison-spray traps.

These six farmers have found innovative ways to grow plants in today’s climate, whether in corn country or coal country, with fish tanks or smartphones.

The Los Angeles River—as faded and forgotten a Hollywood starlet as there ever was—could be poised for a comeback.

With all the political, economic, and cultural barriers women face, how can we expect them to save us from climate change?

As the world’s saltiest sea shrinks and thousands of sinkholes open in the Holy Land, Israel and Jordan consider a controversial water project.

After a 1970s CDC study showed that the mostly Mexican-American population of this Texas town had dangerously high blood lead levels, its buildings were demolished and its residents were booted.

As poachers and oil drills threaten a recently war-torn national park, a team of rangers and scientists send an endangered herd on an epic journey.