One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million citizen scientists and the legendary Arecibo Observatory. Launched in ...

Astronomers have discovered the first radio signals from a unique category of dying stars, called Type Ibn supernovae, and these signals offer new insights into how massive stars meet their demise.

Requested by the Director of the National Science Foundation "Analysis of Cause(s) of Failure and Collapse of the 305-Meter Telescope at the Arecibo Observatory in Puerto Rico" The committee will ...

This activity was supported by Grant CMMI- 2135084 from the National Science Foundation to the National Academy of Sciences. Any opinions, findings, conclusions, or recommendations expressed in this ...