As of January 1, 2011, the MMT Observatory, a joint venture of the Smithsonian Institution and the University of Arizona, is under new leadership. Grant Williams, who has served as the observatory’s ...

Studying such quasars can help astronomers learn more about dark matter and how it was distributed in the early days of the universe. Quasars, compact but luminous objects thought to be powered by ...

Grant Williams, former associate director of the MMT Observatory, has been named its director. The observatory is on Mount Hopkins, the second-highest peak in the Santa Rita Mountains south of Tucson.

The Smithsonian Institution Archives welcomes personal and educational use of its collections unless otherwise noted. For commercial uses, please contact [email protected] International media ...

This video, possibly dated to the early 1980’s, shows the construction of the original mirrors in the Multiple Mirror Telescope, which was in operation from 1979-1998. The telescope has since been ...