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alien life

surface of Mars

Life

The ethics issue: Should we colonise other planets?

As ever more potentially habitable exoplanets are discovered, it's time we asked ourselves: do we have the right to take over another world?

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Very Large Array radio telescope

Space

Messages from fake aliens decoded quickly in online SETI contest

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Mars strata

Life

Mars rover sees signs of microbe-friendly layers in ancient lake

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meteorites landing on early Earth

Space

Microbes might thrive after crash-landing on board a meteorite

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Odds on: 10 science breakthroughs you can bet on

Life

Odds on: 10 science breakthroughs you can bet on

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Martian surface

Space

Martian life must be rare as free energy source remains untapped

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SETI

Life

We still haven’t heard from aliens - here’s why we might never

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LHS 1140b

Space

The five best exoplanets in the galaxy to check for alien life

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Cassini finds final ingredient for alien life in Enceladus’s sea

Space

Cassini finds final ingredient for alien life in Enceladus’s sea

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space cartoon

Space

A little less ET, a little more astrophysics, if you please

The role of science is to rule out the boring and tedious before we embrace the extraordinary, like alien signals or "megastructures", says Geraint Lewis

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Space

TRAPPIST-1 worlds are close enough for life to hop between them

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Space

Exoplanet discovery: Seven Earth-size exoplanets may have water

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Space

Hubble rounds up the first worlds we’ll check for alien life

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Space

The world in 2076: We still haven't found alien life

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