Recruited to work on the US mainland for long hours at less than the prevailing rate, women migrants fought for dignity and recognition.

Once introduced into the Americas, smallpox spread everywhere. Is it possible to know how often that was done intentionally to kill people?

To Reconstruction-era Black republicans, the key to preserving the country’s character was stopping the rise of a wage economy.

In physics, entropy is the process of a system losing energy and dissolving into chaos. This applies to social systems in everyday life, too.

Our best stories about poetry and poems offer free links to poems from contemporary and classic American poets.

Trippingly on the tongue? Yeah, right.

Some formerly enslaved Blacks and freedmen accompanied the Spanish invaders; others formed their own communities.

Before the Guerrilla Girls, Women Artists in Revolution pressured institutions to include women artists, inspiring similar groups around the U.S.

How social media companies have imported relatively restrictive European free speech norms to the US.

Decomposing trees on the forest floor become "dead wood"—a part of ecosystems that researchers are only beginning to understand.