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Celestial Bodies

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11 ARTICLES

3w ago

Two Decades After Its Demotion, Pluto Is Still a Dwarf Planet

Scientists remain divided over the IAU’s ‘cleared neighborhood’ rule and New Horizons’ evidence of active geology, leaving the 2006 classification in place and the debate ongoing.

5 ARTICLES

7mo ago

New Analysis Finds Comet 41P Likely Flipped Its Spin After Record 2017 Slowdown

9 ARTICLES

last yr.

Global Telescopes Capture Active Coma of Interstellar Comet 3I/ATLAS