Arecibo Observatory holds great scientific, cultural and economic significance for Puerto Rico and the scientific community, inspiring education in STEM fields. It is expected that the site will continue this legacy as a world-class science education facility.

Beginning on August 14, the site will transition to new site management and will be temporarily closed to the public. The site will reopen to the public when on-site support is available, such as after a potential Arecibo Center for STEM Education and Research (ACSER) award and associated start-up period.

Management of the Puerto Rico Coordination Zone (PRCZ) has transitioned to the U.S. National Radio Astronomy Observatory (NRAO). National Astronomy and Ionosphere Center (NAIC) services are being taken offline, but NRAO plans to host the Arecibo Observatory legacy website; a link will be added to this page at a later date.

Details about proposing to use infrastructure on-site, including scientific equipment, will be available at a later date.

Legacy Arecibo Content

Arecibo 12m Observations