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Interstellar Comet 3I/ATLAS Makes Safe Closest Pass to Earth Early Friday

Fresh measurements point to a natural comet showing volatile‑driven activity with an unusually carbon‑dioxide‑rich makeup.

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

Interstellar Comet 3I/ATLAS Nears Earth for Distant Close Approach on Friday

Cassini Reanalysis Points to Slushy Titan Interior Without a Global Ocean

JWST Confirms Runaway Supermassive Black Hole Traveling at About 1,000 km/s

Interstellar Comet 3I/ATLAS to Make Safe Closest Approach Friday at 167 Million Miles

New X-Ray and Gemini Images Refine View of Interstellar Comet 3I/ATLAS Before Dec. 19 Earth Flyby

Parker Solar Probe Reveals CME Material Falling Back to the Sun as Craft Repeats Record-Close Pass

Tom Cruise’s Space Movie Reportedly Shelved Over Reluctance to Seek Trump’s Help

Interstellar Comet 3I/ATLAS Nears Dec. 19 Flyby as New Data Point to Unusually Intense Activity

Geminids Peak This Weekend Under Darker Skies, With Forecasts of 120–150 Meteors Per Hour

Interstellar Comet 3I/ATLAS Shows Faint X-Ray Halo as Safe Dec. 19 Flyby Nears

Hubble and ESA’s Juice Capture Clearer Views of Interstellar Comet 3I/ATLAS Ahead of Dec. 19 Flyby

ALMA Spots Methanol-Rich Chemistry in Interstellar Visitor 3I/ATLAS

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

Early JWST Campaign Finds Stellar Noise Hindering TRAPPIST-1e Atmosphere Test

Hubble and ESA’s JUICE Return New Views of Interstellar Comet 3I/ATLAS Ahead of Dec. 19 Earth Pass

Bennu Samples Yield Ribose, Glucose and a Novel Polymer in Peer-Reviewed Analyses

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