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Life

Meteorite cargo could solve origin-of-life riddle

Abundant, ready-made ammonia discovered in meteorite dust could have given the early Earth the building blocks for proteins, DNA and RNA

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Telltale chemistry could betray ET

Earth

Telltale chemistry could betray ET

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Is first life-friendly exoplanet an 'eyeball'?

Life

Is first life-friendly exoplanet an 'eyeball'?

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Smallest planet is nearly Earth-sized

Life

Smallest planet is nearly Earth-sized

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Don't send bugs to Mars

Life

Don't send bugs to Mars

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Could we detect trees on other planets?

Life

Could we detect trees on other planets?

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The poison eaters: alternative life forms

Earth

The poison eaters: alternative life forms

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Arsenic-based bacteria point to new life forms

Life

Arsenic-based bacteria point to new life forms

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Hardy bugs could survive a million years on Mars

Life

Hardy bugs could survive a million years on Mars

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Super-Earths may be hostile to life

Life

Super-Earths may be hostile to life

Rocky planets a few times heavier than Earth could be solid to the core, making them unable to generate magnetic fields that fend off harmful cosmic rays

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Life

First life-friendly exoplanet may not exist

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Life

How to find out if exo-Earths host life

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Life

Found: first rocky exoplanet that could host life

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Life

Bad breath sniffer to hunt for life on Mars

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