Video footage shows the moment that one of the world's largest telescopes collapsed at Puerto Rico's Arecibo Observatory on Tuesday. It had been in operation for 57 years, but shut after engineers ...

They all happened at the Arecibo Observatory in Puerto Rico. With a spherical reflector dish that was 305 meters (roughly ...

I n 1963, the Arecibo Observatory became operational on the island of Puerto Rico. Measuring 305 meters (~1000 ft) in ...

There is also a gift shop on-site. Past travelers said the observatory is a great attraction in Puerto Rico even though the museum is small; it's a great place to take kids. Some visitors bemoan ...