Science ❯ Astronomy ❯ Planetary Science

Exoplanets

Planet Formation Habitability Orbital Dynamics L 98-59 d Sub-Neptunes Warm Jupiters Planet Nine Epsilon Indi Ab WISPIT 2b Atmospheric Studies

UCLA Study Proposes Magma Oceans Inside Uranus and Neptune

A computer model reproduces the planets' magnetic, thermal, density measurements, proposing a link to sub-Neptune exoplanets.

JWST Finds Heavy, Water-Rich Atmosphere on Mini-Neptune in Rare Hot-Jupiter System

JWST Spots Water-Ice Clouds on Nearby Jupiter-Like World

NASA Unveils Roman Space Telescope To Build a New Atlas of the Universe

Second Infant Planet Confirmed Forming Around Nearby Star WISPIT 2

Second Forming Planet Confirmed in WISPIT 2 Disk

Webb Data Point to Sulfur‑Rich Magma‑Ocean Planet L 98‑59 d

JWST Helps Reveal Sulfur-Rich Magma-Ocean World L 98-59 d

Astronomers Find Rare ‘Inside-Out’ Planetary System With Rocky Outer World

Late-Blooming Rocky World, JWST Chemistry Recast Planet Formation

JWST Spots Sulfur in HR 8799 c, Strengthening Case for Core Accretion

Nature Study Weighs Four Young V1298 Tau Planets, Revealing Ultra‑Low Densities

Astronomers Make First Direct Mass Measurement of a Rogue Planet

JWST Reveals Pulsar-Orbiting ‘Lemon’ Planet With Helium–Carbon Atmosphere

Hubble Spots Second Transient Light Near Fomalhaut as First Fades From View

New Models Suggest Uranus and Neptune May Be Far Rockier Than Long Assumed

Experiments Confirm Hydrogen–Rock Reactions Can Create Large Water Stores Inside Sub-Neptunes

Free-Floating Planet Registers Record Growth Burst Spotted by ESO’s VLT

Webb Makes First Direct Chemical Reading of a Moon-Forming Disk Around CT Cha b

Hubble Spots White Dwarf Devouring Nitrogen‑Rich, Pluto‑Like Icy Debris