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Ancient Earth was a barren waterworld

Earth

Ancient Earth was a barren waterworld

With flatter continents and shallower ocean basins, water would have covered the vast majority of the planet 2.5 billion years ago

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Long-sought carbonate minerals found on Mars

Life

Long-sought carbonate minerals found on Mars

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Tonight's Moon is biggest in 15 years

Space

Tonight's Moon is biggest in 15 years

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Swirling waters boost chance of life on Europa

Life

Swirling waters boost chance of life on Europa

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Meteor impacts may have sparked life on Earth

Earth

Meteor impacts may have sparked life on Earth

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'Rhythms' in Martian rocks mark out past climate swings

Space

'Rhythms' in Martian rocks mark out past climate swings

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Has an alien comet infiltrated the solar system?

Space

Has an alien comet infiltrated the solar system?

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Rare celestial trio dazzles sky watchers

Space

Rare celestial trio dazzles sky watchers

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Supersonic water jets shoot from Saturn moon

Space

Supersonic water jets shoot from Saturn moon

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Did lack of comet impacts help life evolve?

Earth

Did lack of comet impacts help life evolve?

The debris left over by comet collisions across nearby solar systems shows that ours is the least battered, possibly explaining why life developed on Earth

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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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