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News

Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

Space

How worried should you be about an asteroid smashing into Earth?

The dinosaurs were wiped out by an asteroid, but does that mean we risk suffering the same fate - and should you be worried about the possibility? Leah Crane sets the matter straight

News

Mind

We all harbour 9 secrets and they are eating us up inside

News
A false-colour X-ray showing a large neural tube defect (red) on both sides of the lower back in someone with spina bifida

Health

Stem cell patch reverses brain damage in fetuses with spina bifida

News

Humans

When we interbred with Neanderthals, they were usually the fathers

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Technology

Banning children from VPNs and social media will erode adults’ privacy

News

Space

How to see six planets in the sky at once in rare celestial alignment

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Environment

Is geothermal energy on the cusp of a worldwide renaissance?

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Physics

Inside the best dark matter detector ever built

Video

Space

SpaceX’s 1 million satellites could avoid environmental checks

News

Life

Tiny predatory dinosaur weighed less than a chicken

The alvarezsaurs were thought to have evolved a smaller stature because of their diet of ants and termites, but a new fossil found in Argentina casts doubt on that theory

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Environment

Giant tortoises return home

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Technology

Breaking encryption with a quantum computer just got 10 times easier

News

Technology

AIs can’t stop recommending nuclear strikes in war game simulations

News

Health

Rapamycin can add years to your life, or none at all – it’s a lottery

News