Fossils reveal that there were at least two kinds of koala when humans first arrived in Australia, but one died out about 30,000 years ago when the west of the continent dried out

Creating quantum entanglement inside a solid material is tricky in the lab – but crystals buried in the earth could be growing it naturally. Now one scientist says he has proof he’s found them

NHS England is pulling its open-source software from the internet because of fears around computer-hacking AI models like Mythos. Opposition is growing among those who say the move is bad for transparency and efficiency, and will also do nothing to improve security

Three people have died on board the cruise ship MV Hondius due to an outbreak of hantavirus, a rare illness transmitted by rodents

Three passengers on the cruise ship MV Hondius have died due to an outbreak of hantavirus, a rare illness transmitted by rodents

A biopsy of a woman's cancer seems to have triggered an immune response against the tumour, putting her into remission

One of the best-performing models in cosmology is also one with the least physical rationale behind it. Columnist Leah Crane says this leaves us with a puzzle that could make or break physics as we know it

Doug Whitney has a genetic mutation that means he should have developed Alzheimer’s disease decades ago, but his long-term work in hot engine rooms may have protected him in a similar way to sauna therapy

Doug Whitney has a genetic mutation that means he should have developed Alzheimer’s disease decades ago, but his long-term work in hot engine rooms may have protected him in a similar way to sauna therapy

Two quantum computers and two supercomputers teamed up to break the record on the biggest molecule yet to be simulated using quantum hardware

It is appealing to think something as simple as honey could cure a cold or prevent hay fever, but is there evidence to back up honey’s health benefits? Columnist Alice Klein finds that it has legitimate medicinal uses, depending on the type of honey you’ve got

A long-overlooked writing system from 5000 years ago is still largely undeciphered, but could mark the moment humans first represented their speech with written words

A 500-kilometre-wide object in a similar orbit to Pluto challenges our assumptions about small bodies in the outer solar system

An update to an experiment run by Henry Cavendish in 1773 could be a cheaper and faster way to spot a potential dark matter particle – and may be 10,000 times more sensitive

To mark David Attenborough turning 100, New Scientist staff have been set a tricky task: pick your favourite of his many amazing documentaries...

A small trial found that chewing gum containing nitrate can ease the symptoms of gum disease by favouring the growth of beneficial mouth bacteria

A device you attach to your underwear reveals how often you really break wind – and it’s probably more frequently than you think

The second half of this year will almost certainly see the start of an El Niño phase that could lead to extreme heat across much of the globe, and James Hansen expects that to make this year surpass 2024 as the hottest on record

National Health Service rules state that all software created with public money should be publicly available, but fears of computer-hacking AI models like Mythos have prompted a change in policy

Should you really be drinking eight glasses of water a day? What about reaching for a sports drink after exercise? Physiologist Tamara Hew-Butler is here to bust these hydration myths and more.

An infestation of caterpillars can make an oak tree postpone when it opens its leaves next year by three days, wrong-footing the insects when they attack again

With progress at COP climate meetings stalling, 57 countries took part in the first of a new series of conferences aiming to develop roadmaps away from fossil fuels, but big emitters like China and the US were absent

Silvia Park, author of the May read for the New Scientist Book Club, reveals how a book that was originally intended to be for children took a darker route following a death in the family

In this extract from Luminous, the May read for the New Scientist Book Club, we meet a mysterious robot discovered in a salvage yard in Seoul, in a future reunified Korea

Uranus’s outermost two rings are surprisingly dissimilar, which opens up a mystery about the tiny moons and moonlets that form them

The implications of quantum mechanics suggest reality isn't as solid as we think it is, but physicist David Bohm had a spin on the theory that restores reality. Columnist Karmela Padavic-Callaghan explores how we could test Bohmian mechanics – and if it will ever become more widely accepted

A cryptocurrency that aims to avoid the disastrous energy consumption of bitcoin is actually using 18 times more energy than its makers claim – but it promises improvements are on the way

An ambitious study has explored how the oral microbiome may affect our metabolic health, raising hopes that conditions like pre-diabetes could one day be screened for via a simple mouth swab

Since the early 20th century, people’s skulls have got rounder and their jaws have got wider, probably because of changes in health, diet and environment

Researchers in South Korea say they have made a major advance by turning on genes with an electromagnetic signal, but critics say the claims are implausible and the paper is flawed

New science fiction from big names including Ann Leckie, Alan Moore and Martha Wells are just some of the exciting crop of titles out this month

Craig Venter has died aged 79. He was at the forefront of sequencing the human genome and of synthetic biology, but divided opinion in how he went about it

A technique inspired by the film Interstellar suggests a new way of communicating backwards in time, but it could help improve conventional communication systems as well

The New Scientist Book Club read Kim Stanley Robinson's acclaimed science fiction story about the first settlers on Mars in April – and had a lot to say about it

These unusual images were created by visual artist Daniel Regan by submerging Polaroid photographs in his ADHD medication, to represent his experiences with the condition through art

Feedback has learned that, according to reports, Meta is building an AI version of Mark Zuckerberg to interact with staff. Feedback hopes this doesn't become a trend

Set on a planet whose population lives underground, Radiant Star is Ann Leckie's latest Radch-universe novel. Its rich characterisation and meticulous world-building shine through, says our science-fiction columnist Emily H.

Our brains need to adapt quickly to meet the challenges of our digital world, but a rigorous new book by a neuroscientist brings hope that we can do it, says Graham Lawton

A procedure that could be done in half an hour, and prepared ahead of time, could seriously reduce blood loss from severe wounds, such as during surgery

An experiment with a carbon material in a magnetic field has revealed a novel way for electrons to move, which doesn't fully belong in two or three spatial dimensions

A wave of dinosaur discoveries over the past decade has completely reshaped our understanding of these long-extinct animals. Palaeontologist Dave Hone spills the secrets of how dinosaurs lived, from how social they were to how much they really fought 

Reports suggest that Apple is using defective chips originally destined for high-end devices to create its latest affordable laptop. Reusing partially broken chips is common practice for all device makers and produces less waste

Many scorpion species use blends of iron, zinc and manganese to enhance the toughness of their deadly weaponry

Europe, the fastest-warming continent, saw unprecedented wildfires and heatwaves in 2025, including a three-week hot spell that hit 30°C inside the Arctic circle

Obesity might be to blame for part of the increase in cancer among young people, a study in the UK has found, but the causes largely remain a mystery

Millions of dollars are being spent on wagers predicting measles outbreaks in the US, which could help researchers modelling the spread of the disease

People are increasingly placing bets that predict measles outbreaks in the US, which could help researchers modelling the spread of the disease

The idea that everything that exists can be built from the bottom up has long held sway among physicists. Now, a new kind of science is under construction that centres conscious experience – and might unravel the universe’s biggest mysteries

Robots can now run a half-marathon faster than humans and are rapidly homing in on the 100-metre sprint record. But why are companies so keen to create speedy robots that have no obvious application in homes or factories?

The ongoing closure of the Strait of Hormuz has seen energy prices soar, but Alice Klein pays just A$25 (£13) a month for her electricity, even when charging an electric car or running an air conditioner.

A revolutionary cancer treatment is now being applied to a wide range of autoimmune disorders. Columnist Michael Le Page finds it is proving to be even more effective than expected

Scientists were shocked to find that the Houtman Abrolhos Islands’ coral reefs survived a prolonged extreme heatwave in 2025 virtually unharmed, which may reveal how to protect corals elsewhere

You may think of the high-fat, low-carb eating plan as a faddish way to lose weight. But the keto diet is now being used to tackle conditions from severe depression to bipolar disorder and anorexia, with transformative results

Coincident with the rise of the dinosaurs, a large landmass filled most of the Arctic circle, potentially contributing to global cooling that advantaged the famous reptiles

NASA's Transiting Exoplanet Survey Satellite has been searching for exoplanets since its launch in 2018, and it turns out it may have found plenty more of them than we had thought

Smartwatches commonly use heart rate variability to monitor stress. Columnist Helen Thomson explores what this metric actually tells us, and whether it could also predict and diagnose depression – and help improve your mental health more generally

Physicists have long assumed that the universe is uniform at very large scales, but evidence is emerging this is wrong and suggests a way to resolve some of the biggest cosmological mysteries

Measuring the strength of gravity is extraordinarily difficult, and different experiments have always disagreed – but a new test is paving the way to finally understanding nature’s most enigmatic force

People with cognitive decline or early-stage dementia saw their symptoms improve when given bespoke treatment plans that targeted their personal nutritional deficiencies, ongoing infections and environmental exposures

Physicists have long suspected that there is a layer of physical reality beneath quantum theory and a new mathematical model unveils just how strange it might be

A clinical trial to reverse age-related vision conditions using stem cell treatment could finally deliver on the promise of a major discovery in ageing and regeneration made 20 years ago, says columnist Graham Lawton

During the Cretaceous, 19-metre-long predatory octopuses swam the seas, and evidence from their fossilised remains suggest they may have been highly intelligent hunters

A powerful AI kept from public access because of its ability to hack computers with impunity is making headlines around the world. But what is Mythos, does it really represent a risk and might it even be used to improve cybersecurity?

Infecting mice with RSV, a common virus that causes cold-like symptoms, prevented breast cancer cells from reaching their lungs. This was due to the release of proteins that stop viruses from replicating in the lungs also making it harder for cancer cells to seed new tumours

The Epstein-Barr virus seems to affect gene expression and cell signalling in a way that causes the autoimmune condition multiple sclerosis

Photographer Yuri Segalerba explores how dengue has spread to Nepal's Himalayan districts, and how locals are fighting back

The food industry has made big promises to reduce emissions and become more sustainable, but a review concludes that many of the pledges are not backed up by evidence

The books, TV, games and more that New Scientist staff have enjoyed this week

Feedback, always on the hunt for absurd units of measurement, is delighted by recent attempts to convey the 406,771 kilometres that the Artemis II crew travelled from Earth

Discovering he is getting old before his time, David Cox tries to lower his biological age by changing his diet in a helpful new book, The Age Code, says Graham Lawton

A seaside town is devastated when a small fishing boat, the Rose of Nevada, disappears at sea. Thirty years later, the boat reappears in the harbour and sets off a moving story, says Bethan Ackerley

The idea that EV batteries age poorly is a misconception – and a new report has found they often outlive the cars themselves

The rise of a new generation of radiotherapies means we will soon need much greater quantities of radioactive atoms. That's why companies are scrambling to refine them from all manner of radioactive waste

A robot built by Sony AI is rapidly learning how to beat the world's very best table tennis players

Exercise has been touted as a tool for managing and treating long covid, but much of the evidence has neglected one of its most debilitating symptoms: post-exertional malaise

Simon Singh's exploration of mathematical proof – in particular Pierre de Fermat's last theorem – remains an absolute treasure, almost three decades after it was first published

A final-stage trial has started of an mRNA vaccine against the bird flu strain infecting many animals – and occasionally people – worldwide

Most of Titan’s surface is oddly flat and smooth, and it may be because it is coated by as much as a metre of fluffy organic material that snowed down from the icy moon’s thick atmosphere

Some seemingly simple sequences of multiplication and addition grow so quickly that they question the very foundations of mathematics. In doing so, they demand a whole new level of logic

Some seemingly simple sequences of multiplication and addition grow so quickly that they question the very foundations of mathematics. In doing so, they demand a whole new level of logic

The ongoing conflict around the Strait of Hormuz has become a situation in game theory known as a war of attrition. The maths behind it can help explain what's going on, says Petros Sekeris

Experiment with nanodiamonds reveals that they are less rigid than other diamonds, adding to our understanding of how they could be used in new technologies

Filtering a protein that may cause sepsis out from the blood has shown promising signs for improving survival

An injured kea with just half a beak has used what's left as a weapon that gives him dominance over a captive colony of the birds

A traditional vaccine primes the immune system to build better defences. Researchers think we can do something similar to increase our resilience to the pressures and worries of life

Stress is linked to many of our biggest killers, but a growing body of research suggests that certain types can sharpen the mind and strengthen the body. Here’s how to find your perfect dose

“I’m stressed” is a phrase that many of us use, but now there are ways to shed light on how stressed you actually are

Pushing against years of scepticism, an analysis suggests quantum computers may offer real advantages for running machine learning and similar algorithms in the near future

Most hospital patients don't brush their teeth regularly, but doing so could cut their risk of developing pneumonia during their stay

Most hospital patients don't brush their teeth regularly, but doing so could cut their risk of developing pneumonia during their stay

Electric vehicles could store renewable energy when there is excess supply and give it back to the grid when demand peaks, but car companies disagree on the best way to do that

Changing your opinion can be difficult, and it’s sometimes even seen as a flaw. But research shows being open-minded has a host of benefits. Columnist David Robson finds there are a few simple ways to encourage yourself to withstand the discomfort that gets in the way of mental flexibility

Cyclic cosmology, or the big bounce, is the idea that the universe will eventually crunch back together and then go through another big bang. Columnist Leah Crane finds that, appropriately, it’s coming back

Terminally ill people are commonly reunited with lost loved ones in their dreams and have visions of doors, stairways and light, which are said to help them accept the dying process

The Lyrid meteor shower will soon hit its peak. Here's how to spot it, including by using the New Scientist stargazing companion

Patients are requesting that blood transfusions come from people who they know have not been vaccinated against covid-19, which can cause dangerous delays

Patients are requesting that blood transfusions come from people who they know have not been vaccinated against covid-19, which can cause dangerous delays

Monkeys with around 300 electrodes implanted in their brain were able to steer avatars around different virtual environments

An imaginative and compelling book reveals how radio waves help us tune in to our universe – and even search for alien civilisations, says Karmela Padavic-Callaghan

The books, TV, games and more that New Scientist staff have enjoyed this week