51¶¯Âþ

extraterrestrial life

Butterflies are showing us how wildlife will cope with climate change

Life

Butterflies are showing us how wildlife will cope with climate change

As warm-weather species flutter further toward the poles, we will end up with far fewer kinds of butterfly. Here's what that means for biodiversity across the animal kingdom

Features

Hundreds of thousands of slime moulds can merge together to find food

Life

Hundreds of thousands of slime moulds can merge together to find food

Regulars

This week’s new questions

Last Word

This week’s new questions

Regulars

Why icy moons like Europa are our best bet for finding alien life

Life

Why icy moons like Europa are our best bet for finding alien life

Features

First life on Earth may actually have been built from both RNA and DNA

Life

First life on Earth may actually have been built from both RNA and DNA

51¶¯Âþ

What is life and how did it evolve? We're getting closer to the answer

Video

What is life and how did it evolve? We're getting closer to the answer

Video

We know the best spots to look for alien life – can we get to them?

Space

We know the best spots to look for alien life – can we get to them?

Culture

nickel sulphide

Life

Earth's first life may have fuelled itself with a metal metabolism

51¶¯Âþ

The extraordinary deep-sea lifeforms that feast on sunken carcasses

Life

The extraordinary deep-sea lifeforms that feast on sunken carcasses

Features

Life's other mystery: Why biology's building blocks are so lop-sided

Life

Life's other mystery: Why biology's building blocks are so lop-sided

Most molecules exist in mirror-image forms, and yet life prefers one over the other. How this bias began and why it persisted is one of the most baffling questions in biology – but now we have an answer

Features

Humans

Why do so many people become obsessed with UFOs and aliens?

Culture

Life

Newly discovered species found deep in the ocean contains microplastic

Regulars

Definition

Viruses

Technology

Doom Eternal review: A welcome adrenaline-inducing distraction

Culture

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