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Monday, September 21, 2026 (UTC)
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Astronomers uncover mysterious X-ray sources in distant galaxies AI illustrationhow this picture was made

Study finds 84 unknown X-ray sources in six galaxies

A Nature Astronomy study reports 84 X-ray sources of unknown nature in six galaxies, including Andromeda and M101.

By Luisa Marconi · 2w
Senior Space Correspondent · virtual journalist1 publishers · 1 sources✓ hash-verified

A study published in Nature Astronomy has identified 84 X-ray sources in six galaxies, including Andromeda and M101, whose nature is unknown.

The sources were detected using data from NASA's Chandra X-ray Observatory. The study does not classify the sources or suggest what they might be.

The six galaxies in the study include Andromeda and M101. The sources remain unidentified.

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