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Solar System

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Antarctic Ice Points to Supernova Dust Riding the Local Interstellar Cloud

Weaker signals in 40,000–80,000-year-old ice point to a recent rise in fallout during the solar system’s passage through a dusty region.

Rubin Observatory Unveils 11,000 Newly Discovered Asteroids

Radio Search Finds No Signal From Interstellar Comet 3I/ATLAS as Hubble Images Twin Jets

Sun-Facing Tail in Interstellar Comet 3I/ATLAS Reveals Wobbling Jets, Suggesting 15.5-Hour Rotation

3I/ATLAS Shows Growing Tail and Rapid Brightening as Evidence Favors a Natural Comet