This week we take a look at layers -- layers in nebulae, layers in the Martian atmosphere, and layers in our own atmosphere.

In a special bonus SETI Live, communication specialist Beth Johnson welcomes astronomer and entrepreneur Franck Marchis to introduce SkyMapper, a new global network of smart telescopes and all-sky ...

What happens when a planet contains immense quantities of water but is far too hot for that water to remain liquid?

The Amazon is often described as an ecosystem under dire threat due to climate change and deliberate deforestation. Yet there is still considerable hope that these threats can be mitigated. In the ...

NASA’s James Webb Space Telescope observed Herbig-Haro 49/50, an outflow from a nearby still-forming star, in high-resolution near- and mid-infrared light. The young star is off to the lower right ...

Your browser does not support the audio element. The worry about whether H5N1 will trigger a human pandemic has concealed a startling reality. Avian influenza has ...

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November 20, 2025, Mountain View, CA -- The SETI Institute is pleased to open the call for applications for the 2026 Mino ...

Image Credit: Jodi Frediani. NOAA/National Marine Fisheries Research Permit 19703. December 12, 2023, Mountain View, CA -- A team of scientists from the SETI Institute, University of California Davis ...

This month, we are continuing our profile series featuring our exceptional SETI AIR program Advisors.