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

A 37-night campaign found precessing jets in a sunward anti-tail, implying a roughly 15.5-hour spin.

EarthSky Names 2025’s Top Stories, Led by Interstellar Comet 3I/ATLAS

Perseverance Records First Direct Evidence of Martian Electrical Activity

Interstellar Comet 3I/ATLAS Nears Dec. 19 Earth Flyby as Study Flags Strong Jupiter Perturbation

Researchers Identify Compact 'Inner Kernel' in the Kuiper Belt at 43 AU

‘The Fall of Icarus’: Skydiver Captured Against the Sun Goes Viral

Radio Survey Finds Solar System Moving Far Faster Than Cosmology Predicts

China’s Tianwen-1 Releases Close Images of Interstellar Comet 3I/ATLAS as JPL Flags Non‑Gravitational Acceleration

Early Jupiter Shaped the Inner Solar System, Study Finds

Astronomers Confirm 2025 PN7 as Earth’s Seventh Quasi-Satellite

NASA Confirms Tiny Asteroid 2025 PN7 as Earth’s Newest Quasi-Moon

NASA Confirms Tiny Asteroid 2025 PN7 as Earth’s Quasi-Moon Through 2083

Ancient Mantle Rocks Reveal Potassium-40 Deficit Linked to Surviving Proto‑Earth

Comet Lemmon Makes Closest Approach Oct. 20–21 With Prime Viewing Under New Moon

MIT Team Finds Potassium-40 Anomaly That Points to Surviving Proto‑Earth Mantle

Twin Green Comets Brighten For Best Views Under Next Week’s New Moon

Twin Green Comets Enter Prime Viewing Week Before Closest Approaches

Comets Lemmon and SWAN Poised for Best Viewing Oct. 20–21

New Analysis Finds Asteroid Belt’s Active Mass Shrinking by 0.0088% Per Million Years

Webb Makes First Direct Chemical Reading of a Moon-Forming Disk Around CT Cha b