The Multi-planet System TOI-5624: Four Transiting Sub-Neptunes With An Outer Companion Revealed By Transit-timing Variations
Stability analysis of the TOI-5624 planetary system focusing on planet f. We vary the orbital period Pf and…
Continuing To Advance European High Contrast Imaging Research And Development Towards HWO And LIFE
Artist’s impression of the LIFE nulling-interferometry mission, consisting of four collector spacecraft in a rectangular array configuration sending…
Scientists Map Alien Planet Climates for the First Time Using JWST
Using JWST data, an international team has, for the first time, successfully mapped the climates of two rocky…
Icy Volatile Enhancements in Evolving Protoplanetary Disks
Outer disk regions become increasingly H2O ice poor as compared to dominating N2, CO, and CO2 ices over…
The Identification of CS2 and Evidence for Carbon-Sulfur Chemical Coupling in a Warm Giant Exoplanet Atmosphere
The retrieved transmission spectrum using the results from the free retrieval plotted as a black line, along with…
Active Moons In Our Solar System And Beyond – Io, Europa, Enceladus, Triton, and Exomoons
Interior, surface and atmosphere visualisation of Europa, Enceladus, Triton, Io, and exoIo. Best-estimate plume heights are displayed to…
This distant galaxy has lost 95% of its brightness in less than 20 years
ⓘ NASA – Unsplash An image showing a spiral galaxy. Astronomers have discovered a galaxy located about 10…
A Planetary Illusion’s Funeral: Non-detection of a Gaia DR3 Exoplanet Candidate, and the Role of Intermediate-precision Radial Velocities in Gaia Exoplanet Follow-up
TRES RV observations of HD 12800. We mark the dates of announcement (2022-06-13) and official retraction (2024-05-27) for…
Two Protoplanets Emerge from Dusty Disk around Nearby Young Star
Using ESO’s Very Large Telescope (VLT) and VLT Interferometer (VLTI) in Chile, astronomers have directly observed two gas…
Proton Irradiation of Primitive Atmospheres of Young Exoplanets And Early Earth: N2O Greenhouse Warming And Prebiotic Synthesis
The figure shows the HPLC Chromatograms of Amino Acids produced in the Sample B5 irradiation run. — astro-ph.EP…
The Influence Of Hypothetical Exomoons On Planetary Thermal Phase Curves
Temperature distributions and thermal phase curves of the TRAPPIST-1 e system. Panel (a): Snapshot of the effective emission…
JWST Edge-on Disk Ice (JEDIce): Program Overview And Ice Survey Results
Optical depth maps of the near-IR H2O, CO2, and CO ice features in the disk sample, calculated for…