Science ❯ Astrophysics

Chemical Composition

Metallicity Molecular Chemistry Element Formation Stellar Evolution Atmospheric Analysis Nitrogen in Galaxies Solar System Comets Dioxide of Carbon Iron-Rich Gases Volatile Elements Carbon Dioxide Nitrogen in Early Universe Spectrometry Atmospheric Elements Water in Space Cometary Studies Vaporized Metals Molecular Bands Isotopes Carbon-poor Comets Nebular Gas Polycyclic Aromatic Hydrocarbons Spectroscopy

JWST Spots Record-Low Metallicity in ‘Forbidden’ Giant Planet’s Atmosphere

The result challenges standard models for how giant planets grow around small red dwarf stars.

JWST Confirms MoM‑z14, Most Distant Galaxy Yet, at Redshift 14.44

Giant Metal-Bearing Cloud Tied to Hidden Companion Explains Months-Long Dimming of Sun-Like Star

JWST Maps Giant Dual Helium Tails Streaming From Ultra-Hot Jupiter WASP-121 b

Astronomers Report Most Metal-Poor Star Yet From the Large Magellanic Cloud

Hubble Spots White Dwarf Devouring Icy, Nitrogen-Rich Exo‑Pluto Fragment