The Arecibo Observatory, also known as the National Astronomy and Ionosphere Center (NAIC) and formerly known as the Arecibo Ionosphere Observatory, is an observatory in Barrio …

Arecibo Observatory, astronomical observatory located 16 km (10 miles) south of the town of Arecibo in Puerto Rico. It was the site of the world’s largest single-unit radio telescope until …

Jun 12, 2025 · Just one hour west of San Juan, coastal Arecibo is home to some of the best off-the-beaten-path adventures on the Island. With its dramatic karst landscape — defined by …

3 days ago · Stewarded by the U.S. National Science Foundation since the 1970s, Arecibo Observatory has contributed to scientific discoveries, including the demonstration of …

Jan 9, 2025 · Over its 57 years of operation, Arecibo contributed an astonishing body of research, including work that led to two Nobel Prizes. It is perhaps most famous for transmitting the …

5 days ago · A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of interest using the world's largest radio telescope.

4 days ago · After Arecibo’s collapse, scientists revisited 100 possible alien signals Scientists have shortlisted 100 unusual radio signals from space after a 21-year search using Arecibo …

Dec 23, 2025 · Founded in 1616, Arecibo is one of Puerto Rico’s oldest cities. It played a crucial role during the Spanish colonial era, serving as a hub for agriculture, trade, and coastal …

Book these experiences for a close-up look at Arecibo. These rankings are informed by Tripadvisor data—we consider traveler reviews, ratings, number of page views, and user …

6 days ago · Arecibo C3, a new center focused on science, technology, engineering and mathematics education, computational skills and community engagement, is moving closer to …