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

Targeting star systems identified by Kepler Space Telescope (especially those in habitable-zone candidate planets). Surveying a region near the Milky Way’s Galactic Center (where stellar density is ...

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

Project Phoenix was the world's most sensitive and comprehensive search for extraterrestrial intelligence that had been conducted up until approximately 2015. It was an effort to detect ...

In 1960, radio astronomer Frank D. Drake, then at the National Radio Astronomy Observatory (NRAO) in Green Bank, West Virginia, carried out humanity's first modern attempt to detect interstellar radio ...

When you become a monthly donor, you join our mission to understand the nature and prevalence of life beyond Earth. SETI Stars provide consistent support for cutting-edge researchers, innovative STEM ...

Dr. Jill Tarter is Chair Emeritus for SETI Research at the SETI Institute in Mountain View, California and serves as a member of the Board of Trustees for that institution. Tarter received her ...

Dr. Drake was the former Director of the Carl Sagan Center for the Study of Life in the Universe, and previously served as Chairman of SETI Institute's Board of Directors. He was Professor, Astronomy ...

The SETI Institute’s Astronomy Activation Ambassadors (AAA) program is one of more than 30 education projects funded by NASA’s Science Mission Directorate for Science Activation (SciAct). SciAct ...

The CAMS network uses an array of low-light video surveillance cameras positioned around the world that keep a constant watch on the night sky. Shooting stars are nature’s atmospheric fireworks ...

Our mission is to lead humanity's quest to understand the origins and prevalence of life and intelligence in the universe and share that knowledge with the world.

Seth claims to have developed an interest in extraterrestrial life at the tender age of ten, when he first picked up a book about the Solar System. This innocent beginning eventually led to a degree ...