The Allen Telescope Array (ATA) is the first radio telescope to be designed from the ground up to be used for SETI searches.Until its construction, all radio SETI efforts were dependent on the ...
In the summer of 1950, several scientists were discussing extraterrestrial intelligence over lunch. Responding to the claim that intelligent life must be commonplace throughout the universe, the Nobel ...
Project Phoenix, like all SETI efforts, was a passive experiment, designed only to look for signals, not to send them. However, humankind has been unintentionally transmitting signals into space - ...
The question “are we alone in the universe?” has fascinated people for centuries. In 1959 two Cornell University physicists described how we might answer that question through interstellar ...
We are home to the Allen Telescope Array, the only instrument designed specifically for the purpose of conducting SETI research. If you are interested in visiting HCRO, we are located approximately ...