What Cassini Saw — and What It Didn’t Why are Titan’s river deltas missing? Planetary scientist Beth Johnson chats with Brown University’s Sam Birch to explore a strange and unexpected mystery on ...

One of humanity’s most profound questions is whether life exists beyond Earth — and if so, what forms it might take. For ...

What if billions of years ago, the Red Planet had rain, snow, and even rivers that carved out landscapes much like those we ...

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 ...

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 ...

SETI Live is a weekly production of the SETI Institute and is recorded live on stream with viewers on YouTube, Facebook, LinkedIn, X (formerly known as Twitter), and Twitch. Guests include astronomers ...

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 ...

For 40 years, the SETI Institute has been a leader in the search for life and intelligence beyond Earth. Recent discoveries, such as exoplanets, have brought us closer than ever to answering the ...

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A deeply eroded giant volcano, active from ancient through recent times and with possible remnants of glacier ice near its base, had been hiding near Mars’ equator in plain sight. Its discovery points ...

The 55th Lunar and Planetary Science Conference (LPSC) will take place in The Woodlands, Texas and virtually on March 11–15, 2024! LPSC is a defining event in planetary research, bringing together a ...