Science.gov searches over 55 databases and over 2100 selected websites from 13 federal agencies, offering 200 million pages of authoritative U.S. government science information including research and development results.
Contains precise ephemerides of the Sun, Moon, planets, and satellites, data for eclipses and other astronomical phenomena for a given year, and serves as a world-wide standard for such information.
Annual publication that reviews the mineral and material industries of the United States and foreign countries. The Yearbook contains statistical data on materials and minerals and includes information on economic and technical trends and development.