Space
‘Rhythms’ in Martian rocks mark out past climate swings
Giant stairsteps on Mars are evidence of ancient climate cycles, suggest images from NASA's Mars Reconnaissance Orbiter
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Space
Has an alien comet infiltrated the solar system?
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Space
Rare celestial trio dazzles sky watchers
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Space
Supersonic water jets shoot from Saturn moon
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Earth
Did lack of comet impacts help life evolve?
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Space
Solar-powered probe to view unseen parts of Jupiter
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Space
Vast stores of water ice surround Martian equator
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Space
What has the Phoenix mission taught us about Mars?
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Life
More evidence points to past oceans on Mars
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Earth
Life caused explosion in our planet’s mineral wealth
The realisation that most of Earth's minerals owe their existence to living processes could aid the search for alien life
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Space
Mysterious changes seen on distant dwarf planet
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Space
Taurid meteors may produce dazzling ‘fireballs’
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Life
Cassini might hold secrets to life on Saturn moon
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Space
Mysterious dark patches dot Mercury’s surface
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