Science ❯ Astronomy ❯ Astrophysics

Exoplanets

Planetary Formation Planet Formation Debris Disks Biosignatures Habitability K2-18b Brown Dwarfs Exocomet Belts Gaia Mission Super-Neptune High-Velocity Stars Atmospheric Chemistry Gas Giant Exoplanets Galactic Archaeology Planetary Atmospheres Life Beyond Earth Star Systems TOI-6894b Atmospheric Characteristics Material Technologies Telescope Technology HIP 67522 b NIRPS Astrochemistry WASP-69b Dyson Swarms Telescope Design Starlight Suppression Observational Techniques Stellar Properties TRAPPIST-1 NASA Missions Icy Bodies SIMP-0136 Cha 1107-7626 Binary Star Systems Infrared Astronomy Jupiter-mass Objects Exoplanet Habitability Binary Systems Exoplanet Binaries Protoplanetary Disks

JWST Finds Phosphine on Ancient Brown Dwarf, Matching Model Predictions

The measurement at roughly 100 parts per billion confirms abiotic formation in hydrogen-rich atmospheres.

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