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

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

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

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 ...

Scientists are getting closer in their search for life beyond earth. But with limited federal funding for the search for extraterrestrial intelligence, supporters are the reason cutting-edge ...

Scientists are getting closer in their search for life beyond earth. But with limited federal funding for the search for extraterrestrial intelligence, supporters are the reason cutting-edge ...

Research Interest: I currently focus on investigating extremophiles in high CO2 pristine caves. I'm interested in defining the CO2 limit of life as we know it.

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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 ...

Under the tropical skies of Puerto Rico, a new observatory joined the LaserSETI Network, expanding the SETI Institute’s ability to search for technosignatures. Bringing cutting-edge instruments to an ...