Space
Mars may have captured and split a comet to create its two moons
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Bio
Jonathan O'Callaghan is a freelance science journalist based in London, UK. He specialises in stories on astronomy, astrophysics, and space exploration, and was recently awarded the Walter Sullivan Award for Excellence in Science Journalism by the American Geophysical Union.
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Space
Early galaxy seen by JWST contains giant young stars and supernovae
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Space
Sleeping black hole is way more massive than it should be
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JWST will officially begin searching for exomoons around other planets
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Habitable ocean world K2-18b may actually be inhospitable gas planet
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Space
Why we're finally on the cusp of finding exomoons around other planets
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What we know about the stars where NASA will hunt for alien life
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Pancake-like comets may be made by whirling clouds of pebbles
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Mysterious radio burst came from group of galaxies in distant universe
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Physics
Dark stars may be waiting in a mirror universe for us to discover them
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Physics
The wonder particle: How axions could solve more than just dark matter
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Space
We could make roads on the moon by melting lunar dust
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