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Strange signals from 234 stars could be ET - or human error

Space

Strange signals from 234 stars could be ET - or human error

Two Canadian astrophysicists claim they’ve detected intelligent signals from 234 sun-like stars - but don’t get your hopes up yet

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Plumes spotted on Europa raise hopes that we can taste its ocean

Space

Plumes spotted on Europa raise hopes that we can taste its ocean

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Artist's impression of sunrise on another world

Space

If Earth-like planet Proxima b has life, what might it be like?

Comment

Chimneys of iron hydroxide (left) and iron sulphide (right) precipitate out of solution when alkaline fluids feed into these mimics of early Earth oceans

Earth

Genesis in a jar: How chemical gardens may lead us to alien life

Features

Artist's impression of Cassini passing through plumes from Enceladus

Space

Fleet of robots could hunt for life on icy moon Enceladus

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artist's impression of planets around a red dwarf star

Space

Old planets always get too hot or cold for life in the end

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Plants around a fumarole at Mount Socompaa

Life

Who needs water? Dry volcanic vents more alive than wet soil

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Building blocks of life spotted around comet for the first time

Space

Building blocks of life spotted around comet for the first time

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Super-salty Turkish lakes may hold key to spotting life on Mars

Earth

Super-salty Turkish lakes may hold key to spotting life on Mars

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Mount Everest

Earth

Early Earth's air may have been thinner than on Everest today

Measurements on ancient lava suggest air pressure was once very low, refuting the idea that a thick atmosphere helped warm Earth when sun was less bright

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Space

SpaceX Mars mission is a chance to hunt for life on the planet

Insight

Space

Cassini gears up for final fiery plunge into Saturn's atmosphere

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Space

First direct evidence of ancient Mars's oxygen-rich atmosphere

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Life

Missing building block of life could be made on ice in space

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