Brazos River, river rising in eastern New Mexico and western Texas, U.S., on the Llano Estacado (“Staked Plain”) near Lubbock, Texas. The Brazos is the longest river in Texas. Its three main …

2 days ago · Texas, constituent state of the U.S. It became the 28th state of the union in 1845. It is bordered on the north by Oklahoma, on the northeast by Arkansas, on the east by …

May 31, 2025 · ZZ Top, American rock group famous for its rugged blues-driven guitar work, irreverent music videos, and embrace of its Texas roots, as well as for the musicians’ …

Apr 3, 2015 · The United States contains a highly diverse population.Unlike a country such as China that largely incorporated Indigenous peoples, the United States has a diversity that to a …

May 7, 2025 · Metamorphic rock, any rock that results from the alteration of preexisting rocks in response to changing conditions, such as variations in temperature, pressure, and mechanical …

Sediments and sedimentary rocks are confined to Earth’s crust, which is the thin, light outer solid skin of Earth ranging in thickness from 40–100 kilometres (25 to 62 miles) in the continental …

Jun 11, 2025 · Plymouth, town (township), Plymouth county, southeastern Massachusetts, U.S.It lies on Plymouth Bay, 37 miles (60 km) southeast of Boston.It was the site of the first …

As the head of the government of the United States, the president is arguably the most powerful government official in the world. The president is elected to a four-year term via an electoral …

May 16, 2025 · Igneous rock, any of various crystalline or glassy rocks formed by the cooling and solidification of magma, which is a hot (600 to 1,300 °C, or 1,100 to 2,400 °F) molten or …

The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into named units of abstract time called—in descending order of duration— eons, eras, periods, …