Science ❯ Astronomy ❯ Astrobiology

Chemical Composition

Sugars in Asteroids Methane Detection Cometary Gases Methane in Atmospheres Elemental Analysis Interstellar Objects Molecular Identification Interstellar Materials Hydrogen Dissociation Carbon Monoxide Molecular Biology Carbon-bearing Molecules Deuterium Levels Hydrogen Peroxide Hydrogen Cyanide Water Vapor Detection Metal-Rich Meteorites Methanol Carbon Compounds Hydrogen and Carbon Emissions Water in Space Molecular Detection Dióxido de Carbono y Níquel

Webb Detects Methane on Interstellar Comet 3I/ATLAS

The measurement reveals a carbon-dioxide–heavy chemistry that suggests the comet formed in an environment unlike most Solar System comets.

ALMA Finds Interstellar Comet 3I/ATLAS Strikingly Methanol‑Rich With Unusual Outgassing

ALMA Unveils Record 650-Light-Year Mosaic of the Milky Way’s Turbulent Core

JWST Delivers First 3D Map of an Exoplanet's Atmosphere

JWST spots silicon monoxide and methane in WASP-121b’s atmosphere, revealing its icy origins