Throughout December, the SETI Institute appeared across leading science and media outlets, reflecting the SETI Institute’s ...

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth ...

A distant pulsar’s radio signal flickers as it passes through space, much like stars twinkle in Earth’s atmosphere. By ...

June 18, 2025, Mountain View, CA -- The SETI Institute and SpaceX have launched a groundbreaking collaboration to help protect sensitive radio astronomy observations at the Allen Telescope Array (ATA) ...

A pulsar’s gentle twinkle is revealing how space quietly bends and delays the signals we receive from the cosmos.

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 and two dozen miles north of ...

Astronomers watched 35 explosive outbursts from a rare repeating "fast radio burst" (FRB) as it shifted in frequency like a "cosmic slide whistle," blinking in a puzzling pattern never seen before.

The latest hunt for alien signals in the TRAPPIST-1 planetary system has test-driven a new strategy that will allow astronomers to perform a more efficient, targeted search for technological ...

Dynamic spectra (or “waterfall” plots) for all the bursts from FRB 20220912A detected using the Allen Telescope Array, the frequency-averaged pulse profiles, and the time-averaged spectra. The ...

In a quiet part of Northern California, where pine trees brush the sky and the hum of giant satellite dishes fills the air, something big is happening in science education. A new wave of college ...

The Search for Extraterrestrial Intelligence (SETI(Opens in a new window)) Institute's Allen Telescope Array (ATA(Opens in a new window)), located at the Hat Creek Radio Observatory, California, has ...