Famous alien-hunting telescope collapsed in December. Now, investigators might know why.

An ongoing investigation of the December collapse of the iconic radio telescope at Arecibo Observatory in Puerto Rico offers early evidence that a manufacturing issue may have contributed to the failure. The telescope’s massive science platform, which weighed in at 900 tons, was suspended above the vast radio dish by three dozen supporting cables. But […]

The Arecibo Observatory collapsed this week. What now?

Arecibo’s disk suffered damage in November, before the suspended receiver collapsed completely in December. (University of Central Florida/) On December 1, a crucial cable snapped at the iconic Arecibo Observatory in Puerto Rico. After 57 years catching radio waves from around the cosmos, the 900-ton receiver fell through the air to the ground below, slashing […]