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91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

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Life

Why the origins of life remain a mystery – and how we will crack it

To explain how life on Earth began, the big challenge is to identify the molecules and processes that enable non-living chemical systems to become more complex

Features

Long spined sea urchins underwater on seabed of the Caribbean sea

Life

Surprising culprit found that killed 95% of a sea urchin population

News

Giant kelp (Macrocystis pyrifera) grows in a thick, underwater forest near the Channel Islands in California. This area is part of a National Park and is teeming with thousands of marine species.

Life

Kelp forests capture nearly 5 million tonnes of CO2 annually

News

Space

What are the prospects for life on the icy moons Europa and Enceladus?

News

Mysterious deep-sea holes may be burrows of tiny shrimp-like creatures

Life

Mysterious deep-sea holes may be burrows of tiny shrimp-like creatures

News

The slime mould Dictyostelium discoideum is used to study the origins of multicellularity

Life

How did multicellular life evolve? Algae and yeast give some hints

Comment

Earth

Oxygen on early Earth may have come from quartz crushed by earthquakes

News

Stephen Hawking with Thomas Hertog, in Hawking's office

Physics

Stephen Hawking's final theorem turns time and causality inside out

Features

RPS Woman Science Photographer of the Year a small group of atmospheric scientists move a fluxsled to the ice, this was the first instrument deployed on the new MOSAiC floe. ?Leap of Science? by Lianna Nixon (USA)

Humans

See the top shots in the Woman Science Photographer of the Year award

Regulars

A scene from NEXT EXIT, a Magnet release. Photo courtesy of Magnet Releasing.

Humans

Next Exit film review: New tale of the afterlife takes a wrong turn

Two volunteers sign up for euthanasia to help a research project when evidence of consciousness after death emerges. The idea’s great, but the script could use a bit more life

Culture

Life

Prawn larvae conceal their eyes with reflectors to hide from predators

News

Space

Space rock or flashy alien technology? We're going to find out

News

Space

Supernovae might be a good place to hunt for alien broadcasts

News

Space

Up to 74% of planets in the ‘habitable zone’ may not be good for life

News