Stunning stellar explosions occur every second across the cosmos – some observable, most too distant to ever know, all of ...

This spring, skywatchers have been treated to the captivating and unpredictable display of a new comet, called C/2025 F2 ...

For decades, many scientists have relied on the "hard steps" model to suggest that intelligent life is rare — the improbable ...

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 ...

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 ...

Project Phoenix was the world's most sensitive and comprehensive search for extraterrestrial intelligence that had been conducted up until approximately 2015. It was an effort to detect ...

SETI is a generic acronym that stands for the Search for Extraterrestrial Intelligence. Scientists doing SETI experiments are looking for proof – not merely of life elsewhere – but of intelligent ...

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 1974, the most powerful broadcast ever deliberately beamed into space was made from Puerto Rico. The broadcast formed part of the ceremonies held to mark a major upgrade to the Arecibo Radio ...

How many alien societies exist, and are detectable? This famous formula gives us an idea. The Drake Equation, which was the agenda for a meeting of experts held in West Virginia in 1961, estimates N, ...

An international leader in the movement of integrating art and science. The AIR program connects contemporary artists with SETI Institute researchers and facilitates an exchange of ideas to catalyze ...