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Abstract: The Arecibo Observatory celebrates its 50th anniversary, and a great variety of cutting-edge instrumentation, observations, and outstanding scientific results. Research using radars was only ...

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In 2024, the radio receivers on and around the human homeworld captured a variety of fascinating emissions, some of which are ...

SETI Institute In the News The SETI Institute is known for its groundbreaking work in the search for alien life and continues ...

Puerto Rico is a political paradox: part of the United States but distinct from it, enjoying citizenship but lacking full political representation, and infused with its own brand of nationalism ...

She mentions in passing that the first radio message transmitted 50 years ago from the Arecibo Observatory in Puerto Rico listed our species’s height as 1.75 metres — the height of the average ...

Christmas, Navidad in Puerto Rico, extends far beyond Dec. 25. The island proudly proclaims itself as having the "longest holiday season in the world," according to the website Discover Puerto Rico.

A blackout hit nearly all of Puerto Rico early on Tuesday as the U.S. territory prepared to celebrate New Year’s, leaving more than 1.3 million clients in the dark. Officials said it could take ...