Science ❯ Astronomy ❯ Exoplanets

Planetary Formation

James Webb Space Telescope Gas Giants TOI-6894 Protoplanetary Disks Water Formation Chemical Composition Atmospheric Composition Sulfur Cycle Planetary Composition Migration Theory Orbital Dynamics Water Distribution Water in Exoplanets Water in Planetary Cores Orbital Motion IRAS 04125+2902 Transiting Planets IRAS 04125+2902b Metallicity WISPIT 2b HR 8799 Detection Methods HR 8799 System V1298 Tau System Orbital Period Interaction with Other Planets Water-rich Atmosphere Planetary Demise Super-Earths Tail Formation Alpha Centauri A Mass Loss Sub-Neptunes Retrograde Planets Rocky Planets TOI-6894b TOI 1227b Ice Giants JWST MIRI Observational Techniques Planetary Systems Moon Formation PSR J2322-2650 b CT Cha b PSR J2322–2650b PSR J2322-2650b Formation Mechanisms Fomalhaut System Dust and Gas Interactions Hydrogen Sulfide Detection Planetary Destruction TOI-5205 b Elías 2-24 b Super-Puff Planets TOI-791 System Gravitational Microlensing Retrograde Orbits

TESS Confirms Two Jupiter‑Sized Super‑Puff Planets

A peer‑reviewed study reports record‑low densities measured from transit‑timing variations using unique Antarctic transit observations, prompting proposals for JWST atmospheric spectroscopy.

JWST Finds Metal-Poor Atmosphere on Giant Planet Around a Small Red Dwarf

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

Hubble Spots Second Debris Cloud at Fomalhaut, Confirming Repeated Planetesimal Collisions

Webb Finds Carbon-Rich Atmosphere on Lemon-Shaped Planet Orbiting a Pulsar

Webb Spots Carbon-Rich, Lemon-Shaped Planet Orbiting a Pulsar

Lab Experiments Show Sub‑Neptunes Can Make Their Own Water

Lab Experiments Reveal Planets Can Make Water From Hydrogen–Magma Reactions

James Webb Space Telescope Captures First Exoplanet by Direct Imaging

Webb Reveals Silicate Clouds and Moon-Forming Disk in YSES-1 System

Hubble Observations Reveal Unexpected Darkening of Uranus’s Moons

Saturn-Sized Exoplanet Orbits Record-Low Mass Star, Challenging Formation Theories