Science ❯ Astrophysics

Chemical Composition

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

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

Continuous full-orbit NIRISS measurements reveal persistent atmospheric escape that forces a rethink of exoplanet mass-loss modeling.

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

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