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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

Life

Don't miss: Curative comedy, cultural copies and an unlikely fish diet

Culture

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

whale shark

Life

Endangered whale sharks strain fish out of the water using huge mouths

Regulars

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

We have wondered for centuries whether our neighbouring planet is home to life, just like our own. The search is ongoing, but there are promising signs.

Definition

Why do we have sex?

Space

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

News

Technology

Working hypothesis: from Raspberry Pi to abolishing time

News

Life

The secrets of how sharks survived so many of Earth's mass extinctions

Features