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Planetary Science

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JWST Reveals Lemon-Shaped Pulsar Companion With Carbon–Helium Atmosphere

Spectra reveal molecular carbon in a helium-dominated atmosphere with extreme elemental ratios that existing formation theories fail to explain.

Hubble Captures Second Asteroid Collision in Fomalhaut’s Disk

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

Hubble Catches Two Debris-Cloud Collisions at Fomalhaut, Recasting ‘Fomalhaut b’

New Study Recasts Titan’s Interior, Challenging Idea of a Global Ocean

Titan May Lack a Global Ocean, Cassini Reanalysis Points to a Slushy Interior With Isolated Water Pockets

Perseverance Cleared for Years More Mars Driving With New Push Toward 'Lac de Charmes'

KAIST’s Deployable Airless Wheel Passes Field Tests for Lunar Pit Access

MAVEN Still Silent as Data Point to Unexpected Spin and Possible Orbit Change

NASA’s HiRISE Marks 100,000th Mars Image With Syrtis Major View

Scientists Detect Granite Batholith Heating the Moon’s Compton–Belkovich Region

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

Study Challenges 'Ice Giant' Label for Uranus and Neptune

Peer-Reviewed Study Links Europa’s ‘Spider’ to Brine Eruptions Like Earth’s Lake Stars

National Academies Sets Science-First Blueprint for Human Mars Missions

Perseverance Confirms 55 Tiny Electrical Sparks in Martian Dust Storms and Devils

Perseverance Finds Kaolinite in Jezero, Pointing to Long-Lived Rain on Ancient Mars

Ribose and First Extraterrestrial Glucose Confirmed in Bennu, Along With Gum-Like Organic and Rare Stardust

Perseverance Confirms Tiny Lightning in Martian Dust Devils and Storm Fronts

Reanalysis Points to Solar Storm as Cause of Uranus’s 1986 Radiation Belt Spike