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Overprotection may be hampering hunt for Mars life

Earth

Overprotection may be hampering hunt for Mars life

Sterilisation measures for spacecraft are so strict that we are wasting too much money in our missions to the Red Planet, argues a pair of Mars scientists

News

Old Mars rover digs up evidence for drinkable water

Space

Old Mars rover digs up evidence for drinkable water

News

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

News

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

News

Life

Look for Mars life with laughing gas

News