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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

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

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

Space

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

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alien

Space

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

Features

The science behind the twisting alien linguistics of <em>Arrival</em>

Space

The science behind the twisting alien linguistics of Arrival

Culture

Aerial view of the 500-metre-wide telescope dish

Space

Biggest radio telescope on Earth ready to receive alien signals

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An alien spaceship over a city

Life

Spoiler alert: Why strange signals are never really from aliens

Analysis

Russian telescope

Life

Mysterious signal unlikely to be aliens after SETI draws a blank

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The RATAN-600 radio telescope in Zelenchukskaya

Life

Mysterious SETI signal sends alien-hunting telescopes scrambling

An intriguing radio spike spotted last year could point toward an intelligent extraterrestrial civilisation, but follow-up observations so far have come up empty

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Space

Proxima b: 7 big questions about the new planet next door

Analysis

Life

Ocean worlds: Searching for life in the solar system's seas

Features

Space

How lasers found gravitational waves – and could hunt for aliens

Features

Earth

Hunting for Mars-like life a kilometre below Earth’s surface

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