UPCOMING EVENTS & Announcements


Discover the latest in our fields of science or explore what the future holds for AO!

Arecibo Optical Lab

Remote Optical Facility

Arecibo Lidar Facility

#AOScienceNow .:

Check out the facilities that are currently operational at the Arecibo Observatory and available for interested investigators and students that would like to use them for their corresponding research work.


Big Data Program

Under Development .:

Check out the programs, facilities and instruments that are currently under development at the Arecibo Observatory.

Galaxy eShop: Get your favorite souvenirs from AO including t-shirts, mugs, cellphone cases...

Arecibo Observatory Collaborations & Exhibitions

Angel Ramos Foundation :: Science & Visitor Center

Science & Visitor Center is now temporarily closed

Due to maintenance activities, the Radio Telescope and the Science and Visitors Center will remain closed to the PUBLIC to ensure the safety of our employees and visitors.

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