Posted inAstrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Europa, Habitable Zones, Icy Worlds, Jupiter, Origin & Evolution of Life, Press Release, Radiation, Water/Hycean Worlds & Oceanography

Study Suggests A Pathway For Life-sustaining Conditions In Europa’s Ocean

A recent study by geophysicists at Washington State University offers insight into how nutrients may reach the subsurface ocean of Europa, one of Jupiter’s moons and a leading candidate for […]

Posted inAtmospheres, Climate, Weather, Biophysics, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Lava / magma ocean / Volcanic Worlds, Magnetic Fields, Electromagnetism, bioelectricity,, Press Release, Radiation

Hidden Magma Oceans Could Shield Rocky Exoplanets From Harmful Radiation

Deep beneath the surface of distant exoplanets known as super-earths, oceans of molten rock may be doing something extraordinary: powering magnetic fields strong enough to shield entire planets from dangerous […]

Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Radiation, Space Weather & Heliophysics, Status Report, tau Ceti

HST Observations of HD 166620 and Tau Ceti: First UV Spectra of a Magnetic Grand Minimum Star and the Extent of Tau Ceti’s Astrosphere

We present new Hubble Space Telescope (HST) UV spectra of the K2 V star HD 166620, the first star clearly recognized to be in a “magnetic grand minimum” state analogous […]

Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Radiation, Space Weather & Heliophysics, Status Report

Investigating the High-energy Radiation Environment of Planets in Sun-like Binary Systems

Far-ultraviolet (FUV) radiation is a driving source of photochemistry in planetary atmospheres. Proper interpretation of atmospheric observations requires a full understanding of the radiation environment that a planet is exposed […]

Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Press Release, Radiation, Space Weather & Heliophysics, Stellar Cartography

Naturally Occurring “Space Weather Station” Elucidates New Way To Study Habitability Of Planets Orbiting M Dwarf Stars

How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie’s Luke Bouma is exploring a new way to […]

Posted inAstrogeology, Astronomy & Telescopes, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Origin & Evolution of Life, Radiation, Space Weather & Heliophysics, Status Report, Terraforming & Geoengineering, TRAPPIST-1

Dearth of Photosynthetically Active Radiation Suggests No Complex Life on Late M-Star Exoplanets

The rise of oxygen in the Earth’s atmosphere during the Great Oxidation Event (GOE) occurred about 2.3 billion years ago. There is considerably greater uncertainty for the origin of oxygenic […]

Posted inBiogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Habitable Zones, Mapping, Geodesy, Cartography, Bathymetry, Mars, Missions & Hardware, Radiation, Robotics/Rovers/UAVs, Sample Return, Status Report

Recent Production Rates Of Cosmogenic Nuclides In The Igneous Rocks of Jezero Crater Floor, Mars

The Perseverance rover has collected rock samples from the floor of Jezero crater, Mars, set to be returned to Earth through the Mars Sample Return (MSR) mission. These surface rocks […]

Posted inAway Teams & Field Reports, Extremeophiles and Extreme Environments, Microbiology & Virology, Planetary Protection & Biosafety, Radiation, Sample Return, Status Report

Fungi From Chernobyl: Mycobiota Of The Inner Regions Of The Containment Structures Of The Damaged Nuclear Reactor

Extensive fungal growth has been detected on the walls and other building constructions in the inner parts of the Shelter of the damaged fourth Unit of the Chernobyl Nuclear Power […]

Gift this article