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

When we think about asteroids that could threaten Earth, we often imagine massive, city-sized rocks hurtling through space.

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

The SETI Institute partners with Unistellar, a company that intends to reinvent popular astronomy through the development of the Enhanced Vision Telescope (eVscope), a mass-market digital scope that ...

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 ...

March 31, 2025, Mountain View, CA -- In April 2019, rare primitive meteorites fell near the town of Aguas Zarcas in northern Costa Rica. In an article published online in the journal Meteoritics & ...

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 ...

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 ...

What Earth’s Technosphere Reveals What Will Earth Look Like in 1000 Years? Will humanity collapse, thrive, or colonize the stars—and could alien civilizations detect us? Join senior planetary ...

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