51¶ŻÂţ

origins of life

Futuristic city

Space

Science fiction picks: Time for a reality check

In this season’s crop of science fiction, the world turns to putty in our hands, we dodge “calendrical rot” and worry about absolute truth

Culture

Titan

Space

Building blocks of alien cells found on Saturn’s largest moon

51¶ŻÂţ

Foggy background forest with outline of child in the foreground

Physics

Aliens slumbering for billions of years are out there – really?

Comment

Mars rover wheel tracks

Life

The best way to detect aliens may be by finding their footprints

51¶ŻÂţ

A possible view on an alien world: mountaintops poking through mist and two suns visible in the sky

Space

The exoplanet zoo – a whistle-stop tour

Features

surface of Mars

Life

The ethics issue: Should we colonise other planets?

Features

Very Large Array radio telescope

Space

Messages from fake aliens decoded quickly in online SETI contest

51¶ŻÂţ

Mars strata

Life

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

51¶ŻÂţ

meteorites landing on early Earth

Space

Microbes might thrive after crash-landing on board a meteorite

51¶ŻÂţ

Odds on: 10 science breakthroughs you can bet on

Life

Odds on: 10 science breakthroughs you can bet on

Human clones, a colony on Mars, alien contact... what world-changing breakthroughs will come in the next decade? We asked the experts – with some surprising results

Features

Space

Martian life must be rare as free energy source remains untapped

51¶ŻÂţ

Life

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

51¶ŻÂţ

Space

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

51¶ŻÂţ

Space

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

51¶ŻÂţ

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