The smoking remains of what was once the largest radio telescope receiver in the world, at Arecibo, Puerto Rico (Courtesy of the Arecibo Observatory, a U.S. National Science Foundation facility) ...

The Arecibo Observatory, a beloved radio telescope in Puerto Rico, has suffered a second devastating blow in the span of a few months, after a cable snapped and crashed into the dish on Friday. The ...

The recent failure of two support cables at the Arecibo Observatory in Puerto Rico has destabilized the structure such that it cannot be repaired without placing construction workers at significant ...

The big dish at the Arecibo Observatory in Puerto Rico is on the verge of collapse, leaving officials with no choice but to retire the famous radio telescope. Astronomers around the world are now ...

Edgard Rivera-Valentín first visited the Arecibo Observatory as a little kid. “I definitely remember this feeling of just being awestruck,” Rivera-Valentín says. “Looking at this gigantic telescope … ...

The 1,000-foot-wide radio telescope dish at Arecibo Observatory, built in a massive natural depression, and the 900-ton instruments platform above (Jeff Hitchcock/Flickr/CC BY 2.0) Although Arecibo ...

The Arecibo Observatory, a legendary radio telescope nestled in the lush mountains of Puerto Rico, has served as an essential lookout into the cosmos for nearly six decades. From tracking asteroids to ...

Early Monday morning, a cable suspended over the Arecibo Telescope in Puerto Rico broke and left a 100-foot-long gash in the dish of the iconic radio telescope. The 3-inch diameter cable also caused ...