Science ❯ Astronomy ❯ Planetary Science

Solar System

Jupiter Planetary Orbits Lunar Studies Planetary Alignments Planetary Formation Outer Planets Planetary Alignment Outer Solar System Planet Y Cometary Dynamics Mars Earth Auroras Across the Solar System Juno spacecraft Interstellar Origin Asteroids Neptune Extraterrestrial Objects Planet 9 Io Solar Wind Venus Earth's Satellite Moon Meteorites Comparative Analysis of Comets Comet Orbits Planetary Visibility Kuiper Belt Earth's Orbit Giant Planets Uranus and Neptune Protoplanets Trojan Asteroids Ice Line Dynamics Planet Nine Venusian Studies Moons Interstellar Objects Impact Studies Jupiter's Moons Meet The Planets Jupiter-family Comets Cometary Composition Planets in the Solar System

High-Resolution 3D Models Suggest Venus's Rift Valleys Are Recently Active

The simulations reproduce Magellan radar features, pointing to specific rifts as priority targets for future orbital and in‑situ observations.

Study Says Earth Could Avoid Being Engulfed by Dying Sun

Sahara Meteorite Points to Moon‑Size Lost Protoplanet

Brightening Comet Pan‑STARRS Enters Pre‑Dawn View for Northern Skywatchers

Six-Planet Parade Lines Up Along the Ecliptic as Jupiter Shines Brightest

SPHEREx Finds Interstellar 3I/ATLAS Has Become a Fully Active Comet After Perihelion

Early Jupiter Shaped the Inner Solar System, Study Finds

Europa Clipper May Skim 3I/ATLAS’s Ion Tail as Interstellar Comet Nears Perihelion

MIT Team Finds Potassium-40 Anomaly That Points to Surviving Proto‑Earth Mantle

Seismic Reanalysis Finds Mars’ Mantle Packed With Ancient Impact Debris

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

Study Hints at 'Planet Y' in Outer Solar System After Kuiper Belt Warp Detected

Uranus Emits 12–15% More Internal Heat Than Previously Thought

New Dwarf Planet Discovery Challenges Planet Nine Despite 40% Simulated Odds

Study Reveals Jupiter’s Early Size and Magnetic Power

Newly Cataloged Extreme Trans-Neptunian Object Challenges Planet Nine Hypothesis