Interstellar Updates

Orbital Parameters and Planetary Radius of 55 Cancri e from TESS Data
https://www.mdpi.com/2674-0346/5/1/3

SOLAR External: 1I/ʻOumuamua — Coherence Signature on SOLAR Baseline (CP364)
https://zenodo.org/records/18480713

Exoplanet Detection via Saline Ionization: Ionic Atmospheres as Coherent Biosignatures
https://zenodo.org/records/18559377

The chemical habitability of Earth and rocky planets prescribed by core formation
https://www.nature.com/articles/s41550-026-02775-z

The quest for Magrathea planets – II. Orbital stability of exoplanets formed around double white dwarfs
https://www.aanda.org/articles/aa/full_html/2026/02/aa52890-24/aa52890-24.html

Aligned, Misaligned, and Polar Orbits of Hot Jupiters: Measuring Spin-orbit Angles via Doppler Tomography with HARPS-N
https://iopscience.iop.org/article/10.3847/1538-3881/ae3b27

A High-resolution Near-Ultraviolet Transmission Spectrum of KELT-9b: Mg II and Fe II Escaping from the Hottest Known Giant Planet
https://iopscience.iop.org/article/10.3847/1538-3881/ae30e2

Preperihelion CN Production Rate of Interstellar Comet 3I/ATLAS
https://iopscience.iop.org/article/10.3847/2041-8213/ae3dd7

Somaforming on an alien Earth
https://www.sciencedirect.com/science/article/pii/S0016718526000278

Beyond the Hyperbola: The Torque‑Entrained Interstellar Object Taxonomy (TEIOT) and the Coherent Prototype 3I/ATLAS
https://zenodo.org/records/18523910

A New Strategy for Using Spectroscopic Phase Curves to Characterize Non-Transiting Planets
https://arxiv.org/abs/2602.07127

Imagining the Alien: Human Projections and Cognitive Limitations
https://arxiv.org/abs/2602.07284

Impact of embedded circumplanetary winds on the circumstellar disk: I. Reshaping the local accretion environment
https://arxiv.org/abs/2602.08087

JWST spectral retrieval of cold directly imaged planet WD0806 b and the first measurement of altitude-dependent KZZ in exoplanet atmospheres
​https://arxiv.org/abs/2602.08200

RedDots: Multiplanet system around M dwarf GJ 887 in the solar neighborhood
https://arxiv.org/abs/2602.08929

Two Robust Interstellar Meteor Candidates in the Post-2018 CNEOS Fireball Database
https://arxiv.org/abs/2602.08956

The Great Filter hypothesis — a new Great Filter?
https://arxiv.org/abs/2602.08188

Memory-Driven Wavelet Network for lightweight infrared image super-resolution
https://www.sciencedirect.com/science/article/abs/pii/S135044952600085X

Life and AI at NASA: An Ethnography of How Scientists and Engineers Make Tools to Explore Other Worlds
https://research.chalmers.se/publication/550000

Hypothesis: The Retrograde Debris Complex (3I/ATLAS, Niku, Drac) as the Kinematic Signature of “Planet Nine”
https://zenodo.org/records/18468901

Is There Life on 3I/ATLAS?
https://avi-loeb.medium.com/is-there-life-on-3i-atlas-3dbb31ed13bf

The Existence of Extraterrestrial Civilizations and Their Implications for Political Philosophy
https://www.researchgate.net/publication/400299217_The_Existence_of_Extraterrestrial_Civilizations_and_Their_Implications_for_Political_Philosophy

A parametric model for externally irradiated protoplanetary disks with photoevaporative winds
https://arxiv.org/abs/2602.02011

Probing habitable regions with SRG/eROSITA
https://arxiv.org/abs/2602.06124

AB Aur, a Rosetta stone for studies of planet formation (IV): C/O estimates from CS and SO interferometric observations
https://arxiv.org/abs/2602.06551

The effect of JWST/NIRSpec data reduction on the retrieval of WASP-39b atmospheric properties
https://arxiv.org/abs/2602.06722

Earth-Cosmos Binary
https://www.sciencedirect.com/science/article/abs/pii/S001632872600025X

The Origins of Planets for ArieL (OPAL) Key Science Project: The end-to-end planet formation campaign for the ESA space mission Ariel
https://www.sciencedirect.com/science/article/pii/S2213133726000053

Planetary analog sites in the Indian subcontinent and the Indian Ocean: Underexplored environments suited for astrobiological and space research
https://eartharxiv.org/repository/view/10330/

Reproductive biomedicine in space: implications for gametogenesis, fertility and ethical considerations in the era of commercial spaceflight
https://www.rbmojournal.com/article/S1472-6483(25)00638-8/fulltext

Long-duration human spaceflight induces atrophy in the left ventricular papillary muscles
https://www.nature.com/articles/s41526-025-00531-7

WISE/CatWISE Constraints on Dysonian Waste-heat Technosignatures in Nearby Galaxies
https://iopscience.iop.org/article/10.3847/1538-3881/ae31e9

Toward Reliable Interpretations of Small-exoplanet Compositions: Comparisons and Considerations of Equations of State and Materials Used in Common Rocky Planet Models
https://iopscience.iop.org/article/10.3847/PSJ/ae2ea2

Organic Acid Chemistry in ISM: Detection of Formic Acid and its Prebiotic Chemistry in Hot Core G358.93−0.03 MM1
https://iopscience.iop.org/article/10.1088/1674-4527/ae2f4b

Impact of magnetic field gradients on the development of the magneto-rotational instability: Applications to binary neutron star mergers and protoplanetary disks
https://www.aanda.org/articles/aa/full_html/2026/02/aa55395-25/aa55395-25.html

High Pressure Formation of the Eight-Fold Coordinated Post-Post Spinel MgFe₂O₄
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025GL120161

SOLAR External: 2I/Borisov — Coherence Signature on SOLAR Baseline (CP364)
https://zenodo.org/records/18458621

The Discovery of Alien Life on an Interstellar Object and the Future of Humanity: A Study of Scientific, Philosophical, Political, and Civilizational Transformation.
https://zenodo.org/records/18496089

ALMA 873 µm Polarization Observations of the PDS 70 Disk
https://arxiv.org/abs/2602.05247

Habitability of Tidally Heated H₂-Dominated Exomoons around Free-Floating Planets
https://arxiv.org/abs/2602.05378

The Effects of Non-ideal Mixing in Planetary Magma Oceans and Atmospheres
https://arxiv.org/abs/2602.05917

The Effect of Tidal Heating and Volatile Budgets on the Outgassed Atmosphere of 55 Cancri e
https://arxiv.org/abs/2601.23235

Resolving the terrestrial planet-forming region of HD 172555 with ALMA: I. Post-impact dust distribution
https://www.aanda.org/articles/aa/full_html/2026/02/aa57986-25/aa57986-25.html

New Observations and TTV Analyses of the Exoplanetary Systems WASP-36 and XO-3
https://iopscience.iop.org/article/10.1088/1674-4527/ae2f4d

Sundivers performance analysis with locally optimal control law
https://www.sciencedirect.com/science/article/abs/pii/S027311772600164X

Facilities to detect and confirm transiting exoplanets
https://www.sciencedirect.com/science/chapter/referencework/abs/pii/B978044321439400047X

Highlights from Exoplanet Observations by the James Webb Space Telescope
https://link.springer.com/rwe/10.1007/978-3-319-30648-3_216-1

Propulsion Trades for a 2035-2040 Solar Gravitational Lens Mission
https://arxiv.org/abs/2602.04198

A Two-Dimensional Analytic Solution for the Generation of Hyperbolic Trajectories Via A Single Close Encounter with Applications To Interstellar Objects
https://arxiv.org/abs/2602.04806

The EXoplanet Climate Infrared TElescope (EXCITE): A balloon-borne mission to measure spectroscopic phase curves of transiting hot Jupiters
https://arxiv.org/abs/2602.04840

First Astrometric Limits on Binary Planets and Exomoons orbiting β Pictoris b
https://arxiv.org/abs/2512.00160

Faster than Light Travel at Last? (via Metric Engineering of the Soliton Displacement Field: Theoretical Propulsion Frameworks for the Pathfinder Mark V-B), No Exotic Matter Required
https://rxiverse.org/abs/2601.0048

Hybrid Linear–Cyclic Topological Structures for Digital Sequence Encoding and Technosignature Analysis
https://zenodo.org/records/18473473

Reproductive biomedicine in space: implications for gametogenesis, fertility and ethical considerations in the era of commercial spaceflight
https://www.sciencedirect.com/science/article/abs/pii/S1472648325006388

ExoplaNeT accRetion mOnitoring sPectroscopic surveY (ENTROPY): II. Time series of Balmer line profiles of Delorme 1(AB)b
https://www.aanda.org/articles/aa/full_html/2026/02/aa54644-25/aa54644-25.html

SPHEREx Reobservation of Interstellar Object 3I/ATLAS in 2025 December: Detection of Increased Post-perihelion Activity, Refractory Coma Dust, and New Coma Gas Species
https://iopscience.iop.org/article/10.3847/2515-5172/ae3f95

Earth-Cosmos Binary
https://www.sciencedirect.com/science/article/abs/pii/S001632872600025X

Visual inspection of potential exocomet transits identified through machine learning and statistical methods
https://arxiv.org/abs/2602.02701

Imaging Venus-like Worlds: Spectral, Polarimetric, and UV Diagnostics for the Habitable Worlds Observatory
https://arxiv.org/abs/2602.02728

Ultra-hot Jupiter atmospheres at high spectral resolution
https://arxiv.org/abs/2602.02845

ExoDNN: Boosting exoplanet detection with artificial intelligence. Application to Gaia Data Release 3
https://arxiv.org/abs/2602.02910

The ESO SupJup Survey IX: Isotopic evidence of a recent formation for Luhman 16AB
https://arxiv.org/abs/2602.03409

Atmospheric characterization of HIP 67522 b with VLT/CRIRES+. VLT/CRIRES+ suggests a heavier planet and hints at deuterium fractionation
https://arxiv.org/abs/2602.03498

Architectures of Planetary Systems II: Trends with Host Star Mass and Metallicity
https://arxiv.org/abs/2602.03657

Probing Atmospheric Escape Through the Near-Infrared Helium Triplet
https://arxiv.org/abs/2602.03667

Observational imprints of tidal internal gravity wave dissipation in star-planet systems
https://arxiv.org/abs/2602.03723

Mapping the Orbital Landscape of Perturbing Planet Solutions for Single-Planet Systems with TTVs
https://arxiv.org/abs/2411.10493