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Reanalysis of Galileo Data Finds Ammonia on Europa Near Surface Fractures

A 2.20‑micron spectral signal points to freshly emplaced ammonia-bearing materials that will guide Europa Clipper follow-up.

NASA Publishes Details After Perseverance Completes First AI-Planned Drives on Mars

Near-Full Moon Passes Jupiter Tonight Ahead of Sunday’s Snow Moon

Juno Sounding Finds Europa’s Outer Ice Layer Averages 18 Miles Thick in Surveyed Region

Kepler Data Reveal Earth-Size Planet Candidate HD 137010 b Near Star’s Habitable Edge

Machine Learning Maps 400 Bright Slope Streaks on Mercury, Hinting at Ongoing Volatile Loss

SpaceX Targets Mid‑June 2026 IPO, Seeking Up to $50 Billion at $1.5 Trillion Valuation

Apollo Soil Study Finds Meteorites Supplied Only a Small Share of Earth’s Water

NASA Study of Apollo Moon Soil Finds Meteorites Supplied Only a Small Share of Earth’s Water

Crescent Moon Brushes Past Saturn Tonight, With Neptune Nearby

Blue Origin Sets Late-February NG-3 Launch With First Reused New Glenn Booster

Giant Metal-Bearing Cloud Tied to Hidden Companion Explains Months-Long Dimming of Sun-Like Star

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

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

New Model Shows Salty Europa Ice Could Sink, Ferrying Nutrients to Its Hidden Ocean

New Spectrograph Reveals Mars-Mass Iron Bar in the Ring Nebula

NASA White Paper Details Data Roadmap for Habitable Worlds Observatory's Life Search

NASA Resumes Search for Silent MAVEN Orbiter as Odds of Recovery Diminish

Mars’ Gravity Helps Drive Earth’s Ice‑Age Cycles, New Simulations Show

High-Resolution Mars Mapping Points to Arctic-Sized Ocean 3 Billion Years Ago