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

Here’s how it works. Arecibo Observatory, located in Puerto Rico, was the world's second-largest single-dish radio telescope until its sudden collapse on Dec. 1, 2020. Despite widespread support ...

Once the world’s largest radio telescope, the Arecibo Observatory in Puerto Rico unlocked the mysteries of the cosmos. But by ...

The National Science Foundation (NSF), which oversees Arecibo, confirmed to The Verge that the platform did come crashing down onto the telescope’s giant 1,000-foot-wide dish. No injuries have ...

The world's largest single-dish radio telescope, made famous from such Hollywood films as GoldenEye and Contact, is hanging precariously after one of its cables almost snapped. Arecibo Observatory ...

Instead, the 1,000-foot-wide (305-metre) dish of the Arecibo Telescope owed its sad demise to the steady and inexorable creep of old age. Carved six decades ago from a natural sinkhole to guard ...

The message described our solar system, human anatomy, and the design of the Arecibo dish itself. Since then, the facility has communed mainly with objects a bit closer to home: asteroids.

For nearly six decades, the Arecibo Observatory was Earth’s largest window to the cosmos. Its mammoth, 1,000-foot-wide dish made it exquisitely sensitive, able to capture radio waves that wash ...

This drone photo of the Arecibo Observatory was taken after November 6, when a main cable snapped and fell onto the receiving dish below. Image: UCF Today The Arecibo Observatory in Puerto Rico is ...

Dad’s transmission concluded with a binary encoded representation of the Arecibo dish itself. “In some ways, it was kind of a love letter to the telescope,” says Kathryn Denning, an ...

Rising out of the remote Mojave Desert, NASA's Goldstone Solar System Radar is a solitary satellite dish that communicates ... But the unexpected 2020 collapse of Arecibo left Goldstone as the ...