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Planet Formation

Protoplanetary Disks Exoplanets Jupiter Gas Giants Theia Protoplanetary Discs Rocky Planets Rogue Planets HOPS-315 Debris Disks

Astronomers Measure Mass of a Free-Floating Planet for the First Time

A two-hour offset between Earth and Gaia views of a microlensing event provided the parallax to pin down its distance and mass.

Study Traces Moon-Maker Theia to the Inner Solar System

Science Study Points to Inner‑Solar‑System Origin for Moon‑Forming Impactor Theia

Moon-Forming Impactor Likely Originated Just Inside Earth’s Orbit, New Isotope Study Finds

Large TESS Survey Finds Close-In Giant Planets Scarcer Around Evolved Stars

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

TOI-2267 Becomes First Binary With Planets Transiting Each Star

Early Jupiter Shaped the Inner Solar System, Study Finds

First Detection of Heavy Water in a Planet-Forming Disk Points to Prestellar Origins

Rogue Planet Cha 1107‑7626 Caught in Record Growth Spurt at 6 Billion Tons per Second

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

Interstellar Comet 3I/ATLAS Tied to New Planet 'Seeding' Hypothesis

NASA Confirms 6,000 Exoplanets, Marking a New Phase in the Search for Other Worlds

NASA’s Confirmed Exoplanets Top 6,000

ALMA Maps Fomalhaut’s Warped Debris Ring, Pointing to Hidden Planet Sculptors

Astronomers Directly Image Newborn Planet in Multi-Ringed Disk in First Clear Case

VLT Directly Images Infant Gas Giant ‘WISPIT 2b’ Inside Planet‑Building Disk

Study Pins Jupiter’s Birth to 1.8 Million Years After the Solar System Began

New Simulations Undercut Giant-Impact Origin of Jupiter's Dilute Core