Super Jupiters Expose a Long Standing Space Mystery
One way gas giants form is through core accretion, where solid cores gradually grow in a disk by…
Astronomers discover a super-Earth that may have an atmosphere orbiting a red dwarf
ⓘ NASA – Unsplash An illustration showing an exoplanet and two red stars. Astronomers have recently discovered a…
Webb Detects Methane in Atmosphere of Exo-Saturn TOI-199b
Using spectral data from the Near-Infrared Spectrograph (NIRSpec) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers analyzed the…
HWO Target Stars and Systems: Activity and Rotation Catalog (ARC) of Potential Target Stars for the Habitable Worlds Observatory
Upper panels: Equatorial rotational velocity (veq) vs. projected rotational velocity (v sin i) for stars in Tiers 1,…
This Alien Planet Has Rock Clouds That Vaporize Before Sunset
Artistic representation of WASP-94A b, a gas giant in the Microscopium constellation. Clouds build as air flows over…
Constraints On The Crystallinity Of Water Ice In Planet-forming Disks From Infrared Scattered-Light Spectra
Protoplanetary disk images (top row) and scattered-/transmitted-light spectra (bottom-left and bottom-middle) obtained from the radiative-transfer simulations, together with…
Active Galactic Nucleus Tori: Potential Birthplace to Millions of Planets
Transition between different accretion regimes as shown by the shading and top labels. From left to right the…
New ultra-black coating could improve the search for life on exoplanets
The latest ultra-black coating combines extreme thinness with durability. It has an extremely high light absorption rate, which…
A Single Power Law For The TRAPPIST-1 Flare Distribution Across Four Orders Of Magnitude In Energy
Cumulative flare-frequency distribution of TRAPPIST-1. The cumulative occurrence rate ν(≥ ETESS) is shown as a function of TESS-band…
Astronomers Spot Dozens of Potential ‘Tatooine’ Worlds
The existence of circumbinary planets — exoplanets that orbit binary stars — has only been firmly established over…
Horizontal Transport As A Source Of Disequilibrium Chemistry On The Nightside Of A Hot Exoplanet
NGTS-10 b is a gas giant exoplanet that orbits a K-type star. Its mass is 2.162 Jupiters, it…
The Influences of Hydrogen-Silicate-Iron Miscibility on the Demographics of Sub-Neptunes and Super-Earths
Status Report astro-ph.EP May 1, 2026 Filed under astro-ph.EP, astrochemistry, astrogeology, atmospheric escape, exoplanet, hydrogen-rich atmosphere, metallic core,…