ARECIBO, Puerto Rico (AP) — A huge, already damaged radio telescope in Puerto Rico that has played a key role in astronomical discoveries for more than half a century completely collapsed on Tuesday.

Scientists have shortlisted 100 unusual radio signals from space after a 21-year search using Arecibo Observatory data. While not confirmed as alien messages, the findings keep hopes of ...

The December 2020 collapse of the Arecibo Telescope in Puerto Rico came at the end of a 39-month sequence that began with Hurricane Maria in 2017, according to a new report from the National Academies ...

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.

The Arecibo Observatory's giant radio telescope in Puerto Rico suffered a cataclysmic failure in December 2020. Credit: Walter Bibikow / DigitalVision / Getty Images Powerful electromagnetic radiation ...

SAN JUAN, Puerto Rico -- The National Science Foundation announced Thursday that it will close the huge telescope at the renowned Arecibo Observatory in Puerto Rico in a blow to scientists worldwide ...

ARECIBO, Puerto Rico — A huge, already damaged radio telescope in Puerto Rico that has played a key role in astronomical discoveries for more than half a century completely collapsed on Tuesday. The ...