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night sky artwork

Space

Are there any aliens out there? We are close to knowing for sure

Next-generation telescopes and new ways of detecting life on other planets are transforming the search for extraterrestrials. We may finally be about to find out if aliens exist

Features

Glowing organisms

Space

We could find alien life on exoplanets by looking for its glow

News

Lee Cronin

Chemistry

Chemist Lee Cronin is building an alien to work out why life exists

Regulars

The team inspects the tree

Environment

Tree stumps that should be dead can be kept alive by nearby trees

News

jelly-like substance

Life

Early life on Earth may have existed as miniature droplets of jelly

News

Internet joke plan to 'raid' Area 51 gets stern reply from US military

Space

Internet joke plan to 'raid' Area 51 gets stern reply from US military

News

James Lovelock standing near the sea at Chesil Beach

Humans

James Lovelock says artificial intelligence is the start of new life

Regulars

Life on Mars

Definition

Life on Mars

Why do we have sex?

Definition

Why do we have sex?

alien planet with three suns

Space

Planet in triple-star system may be our best chance to find alien life

An exoplanet 22.5 light years away that orbits in a system with three stars has the perfect conditions for us to search its atmosphere for signs of alien life

News

Technology

Working hypothesis: from Raspberry Pi to abolishing time

News

Space

Unique chance to confirm methane spikes – and perhaps life – on Mars

News

Question

How did life begin?

Blue Planet II’s Steve Simpson explores the sounds of the ocean

Video