The world-renowned radio telescope at the Arecibo Observatory in northern Puerto Rico, now on the brink of collapse, is set to be withdrawn from service, the National Science Foundation (NSF) ...

For over two decades, millions of personal computers around the world have joined forces to scan radio signals from the ...

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 ...

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.

While the scientific community grapples with the loss of the Arecibo radio telescope, astronomers who recently revived a long-dormant radio telescope array in Argentina hope it can help modestly ...

For 21 years, private computers analyzed data from space for traces of extraterrestrials. The most promising signals are now ...

In her last days in office, Gov. Wanda Vázquez Garced signed an executive order committing Puerto Rico to reconstruct the Arecibo radio observatory — a telescope Cornell managed for 42 years. The ...

Two huge radio telescopes have given scientists a rare look beneath the surface of the moon. Signals beamed from the Arecibo Observatory in Puerto Rico — the world's largest radio dish, with a ...