Astronomy & Space

Euclid discovers new comet

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The European Space Agency's Euclid space telescope has identified a previously unknown comet in observations conducted between September 16 and 24, 2026. This represents Euclid's first comet discovery since the mission's operational deployment. The detection occurred during the telescope's regular imaging operations.


This discovery demonstrates Euclid's capability to detect transient solar system objects while pursuing its primary mission to map the universe's structure. The finding highlights the telescope's potential for conducting secondary science beyond its main cosmological objectives.


Comet C/2026 S1 (Euclid) streaks across the sky

The European Space Agency’s Euclid space telescope has discovered its first previously unknown comet, in images taken between 16 and 24 September 2026.

Source: Euclid discovers new comet