Space
Weird line of galaxies may have been created by a cosmic bullet
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Jonathan O’Callaghan
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Bio
is a freelance science journalist based in London. He specialises in stories on astronomy, astrophysics and space exploration, and was awarded the by the American Geophysical Union in 2021.
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Explore the latest news, articles and features
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Perseverance rover may hold secrets to newly discovered Mars volcano
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Space
'Impossible' particle that hit Earth may have been dark matter
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Society
NASA is facing the biggest crisis in its history
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Space
Will SpaceX’s Starship rocket ever work – and what if it doesn’t?
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Space
Amazing images reveal new details in the sun's atmosphere
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Space
Was Planet Nine exiled from the solar system as a baby?
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Space
The sun is killing off SpaceX's Starlink satellites
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Space
Earliest galaxy ever seen offers glimpse of the nascent universe
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Physics
The 'impossible' particle hinting at the universe's biggest secrets
Features
Space
Little red dots seen by JWST might be a kind of black hole 'star'
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Space
An early hint of cosmic dawn has been seen in a distant galaxy
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