4 related articles

In-depth analysis of National Geographic's 'Hostile Planet': how animals in grassland and jungle ecosystems cope with extreme climate, drought, wildfire, and species competition under climate change.

Revealing the true face of America's Westward Expansion: from Texas as a slaveholding republic, to the Mexican-American War's territorial seizure, California Gold Rush genocide, Chinese railroad workers' sacrifice, and the diverse faces erased from cowboy mythology.

The Clotilda, America's last slave ship, was discovered by underwater archaeologists in Alabama nearly 160 years after sinking. Learn about the search, key evidence, and other slave trade shipwreck discoveries.

Juneteenth (June 19) is a U.S. federal holiday marking the day in 1865 when the last enslaved people learned they were free. Explore its history, origins, and enduring significance for all Americans.