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 ...

While humans were leaving the Stone Age and entering the Bronze, some Bristlecone pine trees grew from seeds to sprouts. They’ve been growing ever since. These 5,000-year-old pines are among the ...

Dear friends, The whole world has watched in horror as massive fires rage out of control in southern California. While the ...

Have you heard about LaserSETI, a SETI Institute project to search for lasers originating from extraterrestrial intelligence?

Credit: Big Ear Radio Observatory and North American AstroPhysical Observatory (NAAPO). The Wow! Signal has captivated the imagination of scientists and the public alike since its detection in 1977.

Sep 16, 2025, 12:00 AM - 12:00 AM ...

What is the Allen Telescope Array? The Allen Telescope Array (ATA) is located at the Hat Creek Observatory in the Cascade Mountains of California, approximately 300 miles to the north of San Francisco ...

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 ...

SETI Talks brings together the best scientists in the fields of SETI, astrobiology and more from around the world to discuss new discoveries and cutting-edge research. SETI Talks are free to the ...

Don’t miss out on SETI Institute communications. Sign up to receive the latest news about research, as well as information on how you can listen to talks, read exclusive articles, and hear us on the ...

In 1960, radio astronomer Frank D. Drake, then at the National Radio Astronomy Observatory (NRAO) in Green Bank, West Virginia, carried out humanity's first modern attempt to detect interstellar radio ...