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Planetary Science

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Webb Finds Strong Evidence of Thick Atmosphere on Ultra-Hot Super-Earth TOI-561 b

A cooler-than-expected dayside temperature points to a volatile-rich shroud likely sustained by exchange with a global magma ocean.

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

ESA Mars Express Reveals 'Butterfly' Crater Carved by Low-Angle Impact

Interstellar Comet 3I/ATLAS Shows Signs of Global Ice Volcanoes, Study Finds

JWST Maps Comet-Like Helium Escape From Super-Puff Exoplanet WASP-107b

SPHERE Survey Delivers 51 Resolved Debris Disks, Revealing Planet-Shaped Rings and Prime Follow-Up Targets

NOAA Issues G2 Geomagnetic Storm Watch as Giant Sunspot Cluster Faces Earth

NIST Finds Mars Clocks Run 477 Microseconds Faster Per Earth Day

NASA Field Tests Sharpen Mars Drone Navigation in Death Valley

First Global Map Identifies 16 Mega Drainage Basins on Ancient Mars

Astronomers Report Tentative Exomoon Around HD 206893 B Using Precision Astrometry

OSIRIS-REx Study Reports Tryptophan Signal in Pristine Bennu Sample

Perseverance Records First Direct Evidence of Martian Electrical Activity