Space
Alien water may have been found on interstellar comet Borisov
Comet Borisov was recently detected entering the solar system from interstellar space, and now it seems it is carrying water from another planetary system
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Space
We can send a probe to interstellar comet Borisov 鈥� but not until 2030
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Space
We may have spotted an interstellar comet flying towards Earth
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Space
What happened when the Shoemaker-Levy 9 comet smashed into Jupiter
Regulars
Space
ESA plans triple spacecraft to lurk in wait for a speedy comet
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Caroline Herschel
Space
We鈥檝e spotted a strange asteroid that鈥檚 spinning itself to pieces
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Space
Cliffs on comet 67P wander across the landscape in summer
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Space
Interstellar asteroid 鈥極umuamua slipped by NASA space telescope unseen
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Earth
Why Earth’s water could be older than Earth itself
How did water survive Earth's searingly hot birth? A radical new answer turns planetary history on its head 鈥� and could revolutionise the search for alien life
Features
Space
Gaia spacecraft prepares to weather an incoming meteoroid storm
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Space
Interstellar visitor 鈥極umuamua may be a comet, not an asteroid
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Space
Amazing GIF shows dust and cosmic rays raining down on comet 67P
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Space
Mysterious streaks seen on Saturn鈥檚 moons could be ancient rings
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