Jan 6, 2026 · Rock is a form of popular music that emerged in the 1950s and that by the end of the 20th century was the world’s dominant form of popular music. It originated in the United …

Dec 29, 2025 · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and …

Dec 30, 2025 · Rock and roll, style of popular music that originated in the United States in the mid-1950s and that evolved by the mid-1960s into the more encompassing international style …

Jan 6, 2026 · Rock remains the most democratic of mass media—the only one in which voices from the margins of society can still be heard out loud. Yet, at the beginning of the 21st …

Jan 6, 2026 · The Beatles’ success suggested that it was possible to enjoy the commercial, mass-cultural power of rock and roll while remaining an artist. The immediate consequence was folk …

Jan 6, 2026 · The trouble is that the term rock describes an evolving musical practice informed by a variety of nonmusical arguments (about creativity, sincerity, commerce, and popularity).

Nov 13, 2025 · Rock Hudson, American actor noted for his good looks and movie roles during the 1950s and ’60s, including Magnificent Obsession, Giant, and Pillow Talk, and for the TV series …

Dec 17, 2025 · Sedimentary rock, rock formed at or near Earth’s surface by the accumulation and lithification of sediment or by the precipitation from solution at normal surface temperatures. …

Standing Rock protests, campaign undertaken in North Dakota in 2016 and 2017 to halt the construction of the Dakota Access pipeline.

Rock River, nonnavigable stream in the north-central United States that originates north of Horicon Marsh, near Brandon in Fond du Lac county, eastern Wisconsin, and flows in a …