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Old Mars rover digs up evidence for drinkable water

Space

Old Mars rover digs up evidence for drinkable water

NASA's Opportunity rover has found ancient aluminium-rich clays, which require neutral water to form, on the rim of Endeavour crater

News

Micro-ratchet spins pearls with perfect symmetry

Micro-ratchet spins pearls with perfect symmetry

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Alien megaprojects: The hunt has begun

Life

Alien megaprojects: The hunt has begun

Features

NASA planet-hunter is injured and resting

News

Alien hunting: how to find DNA on Mars

Life

Alien hunting: how to find DNA on Mars

Analysis

Life

Meteorite's left-handed molecules a blow to ET search

News

Curled-up young fern frond

Life

Life: is it inevitable or just a fluke?

Features

Budget cuts put alien search on hold

Space

Budget cuts put alien search on hold

News

Alien-life claims spark monster mud-slinging

Life

Alien-life claims spark monster mud-slinging

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To boldly sow: Seeding the galaxy with Earthly life

Life

To boldly sow: Seeding the galaxy with Earthly life

If there is no life on other planets, let's send it there. Stephen Battersby reports

Features

Life

Could we detect trees on other planets?

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Life

Arsenic-based bacteria point to new life forms

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Life

Stingy aliens may call us on cheap rates only

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Life

Look for Mars life with laughing gas

News