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

In 1974, the most powerful broadcast ever deliberately beamed into space was made from Puerto Rico. The broadcast formed part of the ceremonies held to mark a major upgrade to the Arecibo Radio ...

Nearly three years after the rapid unplanned disassembly of the Arecibo radio telescope, we finally have a culprit in the collapse: bad sockets. In case you somehow missed it, back in 2020 we ...

While asteroids are more easily discovered with optical telescopes, radar images shine when it comes to details.

can accurately image twice as much the sky as the Arecibo Observatory in Puerto Rico, which had previously been the world's largest single-dish radio telescope, with double sensitivity and five to ...

It’s been nearly four years since the Arecibo Telescope collapsed ... probably started when Hurricane Maria swept over Puerto Rico 39 months before the collapse, after which zinc creep in ...