The JWST transmission spectrum of TOI-1231 b shows strong CH4 detection and moderate CO2 evidence, consistent with a deep H2-rich atmosphere and no distinct surface.
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13 Pith papers cite this work, alongside 148 external citations. Polarity classification is still indexing.
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High-resolution M-band spectroscopy detects super-stellar SiO in TWA 5 B, implying no significant magnesium-silicate clouds and formation consistent with core accretion beyond the CO snowline or gravitational instability with solid enrichment.
An agnostic model using genetic algorithm optimization predicts photosynthetic viability declines linearly with orbital distance, expanding the photosynthetic habitable zone for M, K, and G stars beyond Earth-centric estimates.
Water-hydrogen demixing occurs on warm sub-Neptunes with envelope metallicities of 150-700 times solar, including TOI-270 d, implying layered interiors and underestimated bulk metallicities when using fully-miscible models.
Two extremely low-density Jupiter-sized planets on long-period orbits around TOI-791 were confirmed via ground-based photometry and TTV-derived masses.
A simulated 2.5-year multi-band photometric survey is projected to detect ~100 young transiting planets, sufficient to measure their occurrence rate to 5% precision and differentiate gas-dwarf versus water-world formation scenarios.
Clouds drive over 1000 K heating at depth in sub-Neptune atmospheres, producing molten mantle interfaces for most planets in the sample and increasing abundances of O2, SiH4, and SiO by at least 36 percent.
Hycean models with a 1-bar H2 envelope, percent-level CH4 and CO, and CO2 at 10^-3 to 10^-2 reproduce the 0.8-5.2 μm JWST spectra of K2-18b.
Larger supermassive black holes drive greater atmospheric heating, mass loss, and near-total ozone depletion on exoplanets, with effects strongest in energy-driven winds and closer to the galactic center.
No narrowband radio technosignatures were detected from LTT 3780 across ~30 hours of ATA and VLA observations spanning 1–10 GHz, setting EIRP limits of 4.7×10¹²–3.6×10¹³ W.
The Nautilus Space Observatory constellation is proposed to deliver the first statistical map of sub-Neptune atmospheric diversity through uniform population-level observations.
Models coupling hydrogen-silicate-iron miscibility with atmospheric escape reproduce the observed mass-radius occurrence density of sub-Neptunes and super-Earths.
Laser-sail picospacecraft swarms could deliver gigapixel imaging of Proxima b during near-relativistic flybys and detect signs of surface life or civilization.
citing papers explorer
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Transmission Spectrum of the Benchmark Temperate Exo-Neptune TOI-1231 b
The JWST transmission spectrum of TOI-1231 b shows strong CH4 detection and moderate CO2 evidence, consistent with a deep H2-rich atmosphere and no distinct surface.
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The CRIMSON survey I: super-stellar SiO in the directly imaged companion TWA 5 B from high-resolution M-band spectroscopy
High-resolution M-band spectroscopy detects super-stellar SiO in TWA 5 B, implying no significant magnesium-silicate clouds and formation consistent with core accretion beyond the CO snowline or gravitational instability with solid enrichment.
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An Agnostic Machine Learning Model of Photosynthetic Habitability
An agnostic model using genetic algorithm optimization predicts photosynthetic viability declines linearly with orbital distance, expanding the photosynthetic habitable zone for M, K, and G stars beyond Earth-centric estimates.
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A window for water-hydrogen demixing on warm metal-rich sub-Neptunes
Water-hydrogen demixing occurs on warm sub-Neptunes with envelope metallicities of 150-700 times solar, including TOI-270 d, implying layered interiors and underestimated bulk metallicities when using fully-miscible models.
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ASTEP confirmation of a pair of long-period Jupiter-sized planets with extremely low densities transiting TOI-791
Two extremely low-density Jupiter-sized planets on long-period orbits around TOI-791 were confirmed via ground-based photometry and TTV-derived masses.
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Preparing for the Early eVolution Explorer: Detecting the Primordial, Transiting Exoplanet Population
A simulated 2.5-year multi-band photometric survey is projected to detect ~100 young transiting planets, sufficient to measure their occurrence rate to 5% precision and differentiate gas-dwarf versus water-world formation scenarios.
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Impact of Clouds on the Atmosphere-Mantle Interface of Sub-Neptunes
Clouds drive over 1000 K heating at depth in sub-Neptune atmospheres, producing molten mantle interfaces for most planets in the sample and increasing abundances of O2, SiH4, and SiO by at least 36 percent.
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A Hycean Interpretation of K2-18b Supported by Photochemical Atmospheric Compositional
Hycean models with a 1-bar H2 envelope, percent-level CH4 and CO, and CO2 at 10^-3 to 10^-2 reproduce the 0.8-5.2 μm JWST spectra of K2-18b.
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The Impact of Supermassive Black Holes on Exoplanet Habitability. I. Spanning the Natural Mass Range
Larger supermassive black holes drive greater atmospheric heating, mass loss, and near-total ozone depletion on exoplanets, with effects strongest in energy-driven winds and closer to the galactic center.
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A search for narrowband technosignatures from LTT 3780 with the Allen Telescope Array and the Karl G. Jansky Very Large Array
No narrowband radio technosignatures were detected from LTT 3780 across ~30 hours of ATA and VLA observations spanning 1–10 GHz, setting EIRP limits of 4.7×10¹²–3.6×10¹³ W.
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Nautilus Space Observatory: Unveiling the Diversity and Origin of Sub-Neptunes with the Nautilus Space Observatory
The Nautilus Space Observatory constellation is proposed to deliver the first statistical map of sub-Neptune atmospheric diversity through uniform population-level observations.
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The Influences of Hydrogen-Silicate-Iron Miscibility on the Demographics of Sub-Neptunes and Super-Earths
Models coupling hydrogen-silicate-iron miscibility with atmospheric escape reproduce the observed mass-radius occurrence density of sub-Neptunes and super-Earths.
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Science from the In Situ Exploration of the Proxima Centauri System
Laser-sail picospacecraft swarms could deliver gigapixel imaging of Proxima b during near-relativistic flybys and detect signs of surface life or civilization.