The first Earth Day aligned people of all political stripes and cultural backgrounds, because who wouldn't want to conserve the environment and stop air pollution?

After Neil Armstrong stepped foot on the Moon in July 1969, America's editors called the effort to reach the Moon "so much a symbol and product of human unity as to argue its distinctively religious character in itself."

That the Lord seeks not to punish us for our sins but to call us all back to holiness is a conviction so strong among theologians in the church in the modern age that it risks becoming a truism.

Read the responses to Christopher J. Kellerman, S.J., on the Catholic Church's history with slavery. Comments were gathered from the online version of the article.

With 'Botticelli’s Secret: The Lost Drawings and the Rediscovery of the Renaissance,' Joseph Luzzi has written a fascinating narrative that tells the story of the drawings and seeks to revise our understanding of the phenomenon traditionally known as the Renaissance.

In advance of a visit to the United States in 1919, Irish patriot and politician Éamon de Valera argued in America's pages that Ireland deserved full independence from England.