The Search for Extraterrestrial Intelligence (SETI) has traditionally been conducted at radio wavelengths, but optical searches are well-motivated and increasingly feasible due to the growing availability of high-resolution spectroscopy.
astro-ph.IM
Posted inAstrogeology, Biosignatures & Paleobiology, Mars, Missions & Hardware, Planetary Protection & Biosafety, Press Release, Robotics/Rovers/UAVs
Science Priorities For The Extraction Of The Solid MSR Samples From Their Sample Tubes
Preservation of the chemical and structural integrity of samples that will be brought back from Mars is paramount to achieving the scientific objectives of MSR.
Posted inAstrobiology (general), Missions & Hardware, NASA Astrobiology Program, Press Release
Planetary Exploration Horizon 2061 Report, Chapter 3: From Science Questions To Solar System Exploration
This chapter of the Planetary Exploration Horizon 2061 Report reviews the way the six key questions about planetary systems, from their origins to the way they work and their habitability, […]
Posted inAtmospheres, Climate, Weather, Imaging & Spectroscopy, Missions & Hardware, Press Release, SETI & Technosignatures, Space Stations
Observation Of Night-time Emissions Of The Earth In The Near UV Range From The International Space Station With The Mini-EUSO detector
Mini-EUSO (Multiwavelength Imaging New Instrument for the Extreme Universe Space Observatory) is a telescope observing the Earth from the International Space Station since 2019.
Posted inAstrobiology (general), Astrogeology, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Missions & Hardware, Press Release
Planetary Exploration Horizon 2061 Report, Chapter 4: From Planetary Exploration Goals To Technology Requirements
This chapter reviews for each province and destination of the Solar System the representative space missions that will have to be designed and implemented by 2061 to address the six […]
Posted inAlpha Centauri, Astronomy & Telescopes, Imaging & Spectroscopy, Press Release, SETI & Technosignatures
A Search For Optical Laser Emission From Alpha Centauri AB
A search for laser light from the directions of Alpha Centauri A and B was performed by examining 15362 optical, high-resolution spectra obtained between 2004 and 2018. None of the […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Habitable Zones, Missions & Hardware, Press Release, Tricorders & Sensors, Venus
Tricorder Tech: Venus Life Finder Habitability Mission: Motivation, Science Objectives, And Instrumentation
For over half a century, scientists have contemplated the potential existence of life within the clouds of Venus. Unknown chemistry leaves open the possibility that certain regions of the Venusian […]
Posted inCubesats and smallsats, Exoplanets, -moons, -comets, Habitable Zones, Press Release
The Star-Planet Activity Research CubeSat (SPARCS): Determining Inputs to Planetary Habitability
Seventy-five billion low-mass stars in our galaxy host at least one small planet in their habitable zone (HZ). The stellar ultraviolet (UV) radiation received by the planets is strong and […]
Posted inBiosignatures & Paleobiology, Imaging & Spectroscopy, Missions & Hardware, Press Release, Venus
Direct In-Situ Capture, Separation and Visualization of Biological Particles with Fluid-Screen in the Context of Venus Life Finder Mission Concept Study
Evidence of chemical disequilibria and other anomalous observations in the Venusian atmosphere motivate the search for life within the planet’s temperate clouds. To find signs of a Venusian aerial biosphere, […]
Posted inBiosignatures & Paleobiology, Press Release
Community Report From The Biosignatures Standards Of Evidence Workshop
The search for life beyond the Earth is the overarching goal of the NASA Astrobiology Program, and it underpins the science of missions that explore the environments of Solar System […]