On November 16, 1974, humans sent their first message to the stars in an attempt to contact extraterrestrials. They did this using what was then the largest radio telescope in the world, located at ...

Arecibo’s dramatic collapse was not a sudden accident but a slow-motion failure of materials, design limits, and difficult choices. After hurricane damage and decades of reduced funding, one cable ...

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 ...