In 1977, the detection of a brief radio signal prompted SETI astronomer Jerry Ehman to write a single word in the margin of a ...

The Virtual Planetary Laboratory (VPL), one of NASA’s flagship astrobiology research teams, has officially joined the SETI ...

Now, an international team of researchers reports in the journal Science Advances that a short time later, a more than ...

Half a century after the first successful Mars landing, Viking's greatest legacy may be the questions it taught us to ask.

Throughout June 2026, SETI Institute scientists, affiliates, and collaborators contributed to discussions spanning ...

This week, we explore worlds in the making, from the first-ever evidence of moons forming around a distant exoplanet to ...

Two SETI Institute planetary scientists now have asteroids bearing their names, an honor! The International Astronomical ...

Our First Quarter 2026 Activity Report captures the discoveries, collaborations, educational initiatives, and public outreach ...

When astronomers observe distant exoplanets, they sometimes encounter a frustrating result: instead of revealing the chemical fingerprints of an atmosphere, the data appear almost completely flat.

NASA’s Perseverance rover appears as a green speck on the Martian surface on June 13, 2026, a day before the robotic explorer marked a distance milestone, having traveled a full marathon (26.2 miles, ...

Cropped image of NASA’s James Webb Space Telescope observation of comet 3I/ATLAS with its Near-Infrared Spectrograph ...

Enjoy fifty years of planetary exploration, from a classic Viking view of Mars’ immense Argyre Basin to new asteroid encounters by the Tianwen-2 and Hayabusa2 missions. The images also capture the ...