Space
The moon may have stopped the early Earth from being a frozen snowball
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Jonathan O’Callaghan
Contributor
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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Space
Alien civilisations could move their star to avoid a cosmic disaster
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Space
Pluto's tiny moons may have been chipped off its biggest moon
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Space
Some hot giant planets get larger as they are heated by their stars
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Space
Exotic fifth state of matter made on the International Space Station
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Space
Longest known comet tail stretched for over a billion kilometres
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Space
Strange radio signals reveal the matter hiding between galaxies
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Space
A large moon might be hugging an object in the outer solar system
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Space
ESA spacecraft might accidentally fly through the tail of a comet
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Space
Stars in the Milky Way's centre often get dangerously close together
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Space
A large chunk of Mercury may have been blown away by the sun
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Space
We may have found 19 more interstellar asteroids in our solar system
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