Science ❯ Astrophysics

Planetary Formation

Solar System Exoplanetary Systems Orbital Dynamics Accretion Processes Chemical Composition Protoplanetary Discs Planetary Atmospheres Debris Disks Low-Mass Planets Solar System Formation

JWST Charts Uranus’s Upper Atmosphere in 3D, Exposing Auroral Bands and a Cooling Trend

NIRSpec integral-field measurements of H3+ across nearly a full rotation reveal structure set by Uranus’s tilted, offset magnetic field.

Kepler Archive Yields Earth-Size Planet Candidate with Yearlike Orbit

ALMA’s ARKS Survey Delivers Sharpest-Ever Map of 24 ExoKuiper Belts

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

Saturn-Mass Rogue Planet Gets First Direct Mass and Distance Measurement

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

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

JWST Finds Strong Evidence of a Thick Atmosphere on Molten Super-Earth TOI-561 b

Webb Data Point to Thick Atmosphere on Ultra‑Hot Super‑Earth TOI‑561 b

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

Interstellar Comet 3I/ATLAS Reaches Perihelion as Study Points to Europa Clipper Tail Sampling Window

Ancient Mantle Rocks Reveal Potassium-40 Deficit Linked to Surviving Proto‑Earth

Rogue Planet Devours Matter at Record 6 Billion Tons Per Second

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

SwRI Says Interstellar Comet Flybys Are Achievable as 3I/ATLAS Defies Expectations

Nature Study Confirms Solid Inner Core on Mars

Alpha Centauri A’s Suspected Gas Giant Evades 2025 JWST Searches

Gas Giant HIP 67522 b Triggers Intense Stellar Flares, Accelerating Its Atmospheric Loss

James Webb Directly Images Young Saturn-Mass Exoplanet in Disk

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