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 ...

The source of a supposed alien broadcast that made researchers go "Wow!" may instead have been the result of a remarkably ...

Today the National Science Foundation released a pair of videos that document the collapse of the Arecibo Observatory with incredible detail. A wide shot, apparently taken from the Visitors Center ...

The Arecibo Observatory telescope was one of the largest in the world. It was a key scientific resource for radio astronomers for 57 years, and was also made famous as the backdrop for a scene in ...

The Arecibo Observatory has a rich history. Scientists used the site's massive telescope to collect data about Earth's atmosphere, the solar system's planets, comets and more since its debut in ...

Discovered on July 27 by the ATLAS Sky Survey, 2024 ON has captured the interest of both scientists and space enthusiasts ...

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In the early morning hours of August 10th, a support cable at the Arecibo Observatory pulled lose from its mount and crashed through the face of the primary reflector below. Images taken from ...

The destruction of Puerto Rico's Arecibo Observatory has been photographed from space. The telescope collapsed earlier this month, following damaged inflicted by Tropical Storm Isaias in August.

In August 1977, a strange transmission was picked up during a routine scan for signals of alien life. For more than one ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

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