US opts to not rebuild renowned Puerto Rico telescope

The National Science Foundation announced Thursday that it will not rebuild a renowned radio telescope in Puerto Rico, which was one of the world's largest until it collapsed nearly two years ago.

Cable failures endanger renowned Puerto Rico radio telescope

The giant, aging cables that support one of the world's largest single-dish radio telescopes are slowly unraveling in this U.S. territory, pushing an observatory renowned for its key role in astronomical discoveries to the ...

Protecting Earth from asteroid impact with a tethered diversion

Our planet exists within the vicinity of thousands of Near-Earth Objects (NEOs), some of which—potentially hazardous asteroids (PHAs)—carry the risk of impacting Earth and causing major damage to infrastructure and loss ...

New Arecibo Observatory message challenge announced

In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was designed by the AO 74's staff, led by Frank Drake, and with the help of the ...

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