Search for Extraterrestrial Intelligence

The HITRAN2020 molecular spectroscopic database

Characterization of the Host Binary of the Directly Imaged Exoplanet HD 143811 AB b

Abstract HD 143811 AB is the host star to the directly imaged planet HD 143811 AB b, which was recently discovered using data from the Gemini Planet Imager and Keck NIRC2. A mem...

HD 143811 AB b: A Directly Imaged Planet Orbiting a Spectroscopic Binary in Sco-Cen

Abstract We present confirmation of HD 143811 AB b, a substellar companion to spectroscopic binary HD 143811 AB through direct imaging with the Gemini Planet Imager (GPI) and Ke...

Scientific, Societal, and Spiritual Implications of Finding (or Not Finding) Life on Mars

As humanity enters a transformative era of Mars exploration, guided by NASA's Moon-to-Mars roadmap, rapid advances in commercial spaceflight, and the National Academies' Science...