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

Test article - Obesity may damage immune cells that prevent psoriasis

10 September 2025

Mice with obesity have fewer immune cells in their skin that protect against psoriasis-related inflammation, potentially explaining why obesity increases the risk of the condition


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

Title with eight

25 April 2025

Standfirst should be ten


Testing a gif article 2 headline

Testing a gif article 2 headline

26 March 2025

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Testing a gif article 1 headline

Testing a gif article 1 headline

26 March 2025

Testing a gif article 1 strap Testing a gif article 1 strap Testing a gif article 1 strap


AI trained on novels tracks how racist and sexist biases have evolved

20 February 2025

Questioning a chatbot that has been trained on bestselling books from a particular decade can give researchers a measure of the social biases of that era


Watch a cuttlefish transform into a leaf and a coral to hunt its prey

Watch a cuttlefish transform into a leaf and a coral to hunt its prey

20 February 2025

In new video footage, cuttlefish show off their dazzling camouflage techniques, such as creating stripes that move over their bodies or mimicking non-threatening objects


Gigantic star has gone through a rapid transformation and may explode

20 February 2025

A red supergiant star appears to have changed in just a few years – an astronomical blink of an eye – which suggests it may be getting ready to explode in a supernova


When does a bone become a fossil?

15 February 2024

As organic material in a bone gets replaced by minerals over time, it becomes a fossil. But that can happen at different rates even within the same individual


Male Andrea cuttlefish (Sepia andreana)

Male cuttlefish burst through their ink clouds to impress females

14 February 2024

Cuttlefish usually use ink to confuse predators – but one species uses it as a dramatic backdrop, bursting through an inky cloud during courtship displays like a stage performer making a spectacular entrance


Small dogs are more likely to have an extra row of teeth like sharks

13 February 2024

Some pet dogs retain their baby teeth, creating two rows that resemble the mouth of a shark. A new analysis shows that the condition is more prevalent in smaller breeds and obese dogs


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