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

They all happened at the Arecibo Observatory in Puerto Rico. With a spherical reflector dish that was 305 meters (roughly 1000 feet) in diameter, Arecibo held the title of world's largest radio ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. It’s been a few months since we heard any significant news about the Arecibo ...

The Arecibo Observatory is one of the biggest in the world, responsible for some of the most crucial discoveries about outer space — including one that led to a pair of scientists winning the ...

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Note: As of January 2025, the site is closed to the public until further notice. The Arecibo Observatory has a rich history. Scientists used the site's massive telescope to collect data about ...

While searching for signs of Dalek activity in the vast depths of outer space, the Arecibo Observatory in Puerto Rico stumbled across a most interesting find. They were receiving modulated radio ...

The broadcast formed part of the ceremonies held to mark a major upgrade to the Arecibo Radio Telescope. The transmission consisted of a simple, pictorial message, aimed at our putative cosmic ...

It’s been nearly four years since the Arecibo Telescope collapsed, an event the world got to witness in unprecedented detail thanks to strategically positioned drones. They captured breathtaking ...