Science ❯ Astronomy

Planetary Systems

Planet Formation Solar System Gas Giants Exoplanets Orbital Mechanics Protoplanetary Disks Planetary Discovery Planetary Formation Red Dwarf Stars Planetary Evolution

Jupiter-Mass Companion Detected Orbiting Brown Dwarf in Nearby System

The claim forces astronomers to seek astrometry or direct imaging to measure the object's true mass and orbit.

Astronomers Report Jupiter‑Mass Companion Orbiting Brown Dwarf in CD‑35 2722 System

Massive Gaseous Companion Detected Orbiting Brown Dwarf in CD-35 2722

Webb Detects Hidden Giant Planet Beta Pictoris d Inside Debris Disk

Astronomers Confirm Third Planet in Beta Pictoris, the Faintest Ever Imaged From Earth

TESS Detects First Planet by Gravitational Microlensing

TESS Confirms Two Jupiter‑Sized Super‑Puff Planets

Six Young Red Dwarfs Show Signs of Swallowing Earth‑Sized Rocky Planets

TESS Survey Identifies 27 Candidate Two‑Star Planets

Interstellar Comet 3I/ATLAS Shows Extreme Heavy-Water Signal, Pointing to an Ultra‑Cold Origin

Second Infant Planet Confirmed Forming Around Nearby Star WISPIT 2

Cornell Team Publishes Vetted List of 45 Rocky Exoplanets Most Likely to Host Life

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

Cornell Catalog Identifies 45 Rocky Exoplanets in Habitable Zones

JWST Details Io and Europa Auroral Footprints, Finds Rapid, Dense Cold Spot on Jupiter

Astronomers Map 'Teenage' Planetary System TOI-2076, Revealing Photoevaporation at Work

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

Rocky Outer Planet in LHS 1903 System Upends Planet-Formation Models

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

Kepler Archive Reveals Earth-Size Exoplanet Candidate Near Habitable Zone