Feb 6, 2026 · Historical account of the My Lai Massacre, the mass killing of hundreds of unarmed civilians by U.S. forces during the Vietnam War.

Feb 4, 2026 · Overview of Yellowstone National Park, the oldest national park in the United States and home to the greatest concentration of hydrothermal features in the world. Established by the U.S. …

4 days ago · Virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. Viruses possess unique infective properties and thus often cause …

Feb 13, 2026 · Ecology, study of the relationships between organisms and their environment. Some of the most pressing problems in human affairs—expanding populations, food scarcities, environmental …

Jan 16, 2026 · The MAGA movement is a nativist political movement that emerged in the United States during the 2016 presidential campaign of its putative leader, Donald Trump. Its name is derived from …

Feb 16, 2026 · Poverty, the state of one who lacks a usual or socially acceptable amount of money or material possessions. Poverty is said to exist when people lack the means to satisfy their basic …

Jan 2, 2026 · Linguistics, the scientific study of language. The word was first used in the middle of the 19th century to emphasize the difference between a newer approach to the study of language that …

Feb 5, 2026 · Apollo, in Greco-Roman mythology, a deity of manifold function and meaning, one of the most widely revered and influential of all the ancient Greek and Roman gods. The son of Zeus and …

Feb 6, 2026 · Communism, political and economic doctrine that aims to replace private property and a profit-based economy with public ownership and communal control of at least the major means of …

Feb 6, 2026 · Moses, Hebrew prophet and leader who, in the 13th century bce, delivered his people from Egyptian slavery.