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extraterrestrial life

Mars strata

Life

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

Curiosity’s inspection of a Martian lakebed reveals multiple environments where microbes could have thrived more than 3 billion years ago

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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

Features

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

Comment

Artists impression of an alien skyscape with nearby planets large in the sky

Space

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

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TRAPPIST-1 seen from one of its 7 planets

Space

Exoplanet discovery: Seven Earth-size exoplanets may have water

The small, cool star TRAPPIST-1 is one of the best places to look for life in the Milky Way: its seven rocky planets might all have water and atmospheres

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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

Features

Space

The science behind the twisting alien linguistics of Arrival

Culture

Space

Biggest radio telescope on Earth ready to receive alien signals

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