The best new science fiction books of February 2025

From contact with aliens courtesy of Adrian Tchaikovsky to the childhood writings of Octavia E. Butler, February’s sci-fi offerings are rich and strange | Continue reading


@newscientist.com | 7 days ago

Amazon river dolphins may send messages with aerial streams of urine

Male dolphins have been observed shooting jets of urine into the air and other dolphins seem to follow the stream, perhaps to pick up social cues | Continue reading


@newscientist.com | 7 days ago

'Obsolete' muscle that wiggles ears actually activates while listening

A muscle that we thought served no purpose beyond enabling some people to wiggle their ears is actually active when we are trying hard to listen | Continue reading


@newscientist.com | 8 days ago

Scratching an itch could help boost your immune defences

Mice that were free to scratch their itchy ears saw the number of immune cells go up and levels of infection-causing bacteria decline | Continue reading


@newscientist.com | 8 days ago

Supercharged hurricanes will cause more blackouts across the US

Some US states may see the number of power cuts caused by hurricanes jump by 60 per cent by 2100 in a high-emissions scenario, affecting tens of millions each decade | Continue reading


@newscientist.com | 8 days ago

Creatine shows promise for treating depression

People receiving talking therapy for mild to severe depression reported greater improvements to their symptoms when also taking creatine compared with those on a placebo | Continue reading


@newscientist.com | 8 days ago

Tree scars reveal how wildfires in centuries past differed from today

Burn marks left on trees show that fires occurred frequently in North America from 1750 to 1880, but they tended to be less severe than modern fires and may have even been beneficial to forests | Continue reading


@newscientist.com | 8 days ago

Why it's a terrible time for RFK Jr to lead US health policy

The US Congress is expected to vote on whether to confirm Robert F Kennedy Jr to lead the nation’s public health institutions in the coming days – he would be taking over during a time of turmoil | Continue reading


@newscientist.com | 9 days ago

Building-sized asteroid has a small chance of hitting Earth in 2032

The asteroid is unlikely to be cause for concern, but its detection has triggered planetary defence response procedures for the first time | Continue reading


@newscientist.com | 9 days ago

Experiment with 37 dimensions shows how strange quantum physics can be

A search for particles’ most paradoxical quantum states led researchers to construct a 37-dimensional experiment | Continue reading


@newscientist.com | 9 days ago

Quantum-inspired algorithm could enable better weather forecasts

An algorithm inspired by quantum computers but used on classical machines can make weather forecasts and other turbulence simulations a thousand times easier to run | Continue reading


@newscientist.com | 9 days ago

How polar bears stop ice from freezing on their fur

Indigenous peoples of the Arctic traditionally use polar bear fur for its ice-resistant properties, but the science behind the bears’ natural antifreeze hasn't been studied until now | Continue reading


@newscientist.com | 9 days ago

Is recycled plastic in utensils and toys really a big health concern?

A numerical error in a scientific paper created alarm around the chemicals in black plastic utensils, but the extent to which they cause harm is up for debate | Continue reading


@newscientist.com | 9 days ago

Does DeepSeek show a way to slash the energy demands of AI?

The success of Chinese firm DeepSeek suggests tech companies can train and run powerful AIs without consuming vast amounts of power | Continue reading


@newscientist.com | 9 days ago

The strange geoengineering idea with potential for significant fallout

Feedback is intrigued (and terrified) by a new paper that suggests you could set off a ridiculously gigantic nuclear bomb deep under the seabed to mop up carbon dioxide | Continue reading


@newscientist.com | 9 days ago

Building a true meritocracy means removing barriers, not ignoring them

US President Donald Trump has pledged to dismantle diversity, equity and inclusion programmes in government agencies in order to build a “merit-based” society. But psychological research shows that such initiatives can create fairer outcomes, if employed correctly | Continue reading


@newscientist.com | 9 days ago

This look at animal consciousness is a moral workout – in the best way

Some animals – and even machines – may turn out to be conscious. Must we wait for scientific certainty before sharing our rights, asks The Moral Circle | Continue reading


@newscientist.com | 9 days ago

These interstellar spaceship designs are wildly impractical

Scientists’ ideas for travelling to the stars range from the the wholly improbable to the hugely expensive and very difficult, says Ed Regis | Continue reading


@newscientist.com | 9 days ago

Rewild the UK with lynx soon? Not a cat in hell’s chance, sadly

Various projects aim to reestablish lynx as a wild species in the UK after being absent for centuries, but those involved face formidable hurdles, finds Graham Lawton | Continue reading


@newscientist.com | 9 days ago

How humans evolved to think about risk may cost Earth dearly

A provocative new book delves into the way humans – and elephants – evolved to manage risk. We might do better to think more like elephants | Continue reading


@newscientist.com | 9 days ago

A lively history shows that the human neck is full of surprises

The neck is less than 1 per cent of the human body's surface area, but it plays an oversized role in our lives, reveals Kent Dunlap's engaging natural and cultural history | Continue reading


@newscientist.com | 9 days ago

How to spot Bode's galaxy this month

We will never get an image of the Milky Way from above, but M81 or Bode's galaxy is a good stand-in – and now is a great time to see it, says Leah Crane | Continue reading


@newscientist.com | 9 days ago

Muscle patch made from stem cells could treat heart failure

A patch made from lab-grown muscle cells boosted heart function in monkeys with cardiovascular disease and is now being tested in humans | Continue reading


@newscientist.com | 9 days ago

Antarctic ice sheet may be less vulnerable to collapse than expected

The West Antarctic ice sheet could cause metres of sea level rise if it collapses – but more than 120,000 years ago, it may have survived an even warmer period than it's experiencing now | Continue reading


@newscientist.com | 9 days ago

How our ancestors invented clothing and transformed it into fashion

Remarkable archaeological finds are telling a new story of how prehistoric humans turned clothing from a necessity into a means of self-expression | Continue reading


@newscientist.com | 9 days ago

Experimental XB-1 aircraft goes supersonic for the first time

Boom Supersonic’s XB-1 aircraft broke the sound barrier during three test runs, a step toward the possible return of supersonic commercial flights | Continue reading


@newscientist.com | 10 days ago

A new kind of hidden black hole may explain the mystery of dark energy

Space-time may hide a bizarre new kind of black hole that causes Einstein’s theory of gravity to fail – and could solve the mystery of dark energy | Continue reading


@newscientist.com | 10 days ago

Mice born with two fathers - but don't expect the same for people

For the first time that we know of, mice with two fathers have survived to adulthood, but the methods used would be "unthinkable" to try in people | Continue reading


@newscientist.com | 10 days ago

Twisted light may illuminate how quantum spookiness works

Physicists have verified a connection between two counterintuitive quantum properties, which may help us understand how quantum objects stay inextricably connected through entanglement | Continue reading


@newscientist.com | 10 days ago

Surge in ocean heat is a sign climate change is accelerating

The rate of warming in the oceans has more than quadrupled since 1985, suggesting global warming in general has undergone a marked acceleration | Continue reading


@newscientist.com | 11 days ago

Why China's DeepSeek is threatening to disrupt the AI industry

The new AI model from China's DeepSeek performs on a level with leading US models without requiring as much computing power – but despite a huge drop in their stock, it's not game over for US tech companies | Continue reading


@newscientist.com | 11 days ago

How big a deal is China's DeepSeek AI model?

The new AI model from China's DeepSeek performs on a level with leading US models without requiring as much computing power – but despite a huge drop in their stock, it's not game over for US tech companies | Continue reading


@newscientist.com | 11 days ago

European cities face millions more deaths from extreme temperatures

In Europe as a whole, the increase in deaths from hot weather over the next century will outweigh the decline in deaths from cold weather, but in colder countries such as the UK, temperature-related deaths will decline overall | Continue reading


@newscientist.com | 11 days ago

The psychologist exposing the mental gymnastics that conceal racism

Despite widespread studies revealing the prevalence of racism, its impact is often overlooked. But there are ways to tackle hidden biases and systemic discrimination, says Keon West | Continue reading


@newscientist.com | 11 days ago

What Trump's first week means for climate, science, health and tech

In a barrage of executive orders, President Donald Trump has set the US on course to derail climate goals, biomedical research and pandemic readiness | Continue reading


@newscientist.com | 11 days ago

Habitable planets could have formed at the dawn of the universe

Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest supernovae | Continue reading


@newscientist.com | 12 days ago

Covid smell loss eased by injecting blood cells into the nose

Just three nasal injections of blood cells called platelets helped people whose smell was affected by covid-19 identify new odours | Continue reading


@newscientist.com | 12 days ago

Setting fire to a million acres of California could cut smoke by half

As California expands its prescribed burning efforts, a study of more than 180 such projects suggests they are an effective way to reduce a blaze's intensity and smoke | Continue reading


@newscientist.com | 14 days ago

The world is on track for between 1.9 and 3.7°C of warming by 2100

While some progress has been made in limiting greenhouse gas emissions, we are still on the path for high levels of global warming | Continue reading


@newscientist.com | 14 days ago

Gorgeous images capture coral breeding breakthrough

Cryopreserved coral sperm could be used for future breeding programmes to restore damaged reefs | Continue reading


@newscientist.com | 14 days ago

Carbon removal schemes on farms could change Earth’s reflectivity

Carbon removal schemes involving enhanced rock weathering should consider whether the rocks they use are lighter or darker than the soil, say researchers | Continue reading


@newscientist.com | 14 days ago

A hole-filled battery could make wearables more breathable than cotton

A lithium battery patterned with holes is flexible, stretchable and allows more airflow than cotton, making it perfect for fitness tracking or medical monitoring wearables | Continue reading


@newscientist.com | 14 days ago

This optical illusion expands as you stare at it - and now we know why

Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion | Continue reading


@newscientist.com | 14 days ago

The surprising science that reveals what it takes to win The Traitors

As the finale of the UK series approaches this evening, these are the best tactics to win the game of backstabbing and treachery, according to forensic psychology, game theory and evolutionary biology | Continue reading


@newscientist.com | 15 days ago

Electric cars now last as long as petrol and diesel counterparts

Records from UK vehicle safety tests show that the average lifespan of an electric vehicle is 18 years, and the reliability is still improving considerably from year to year | Continue reading


@newscientist.com | 15 days ago

Trump-backed Stargate Project could strain the US energy grid

The Stargate Project aims to build huge data centres for AI development – but the details remain murky, and it is still unclear exactly how this might impact the energy future of the US | Continue reading


@newscientist.com | 15 days ago

Giant sloths lived alongside humans in South America for millennia

South American megafauna, from giant sloths to camel-like creatures, survived thousands of years longer than we thought, challenging the idea that they were hunted to extinction by humans | Continue reading


@newscientist.com | 15 days ago

Dinosaurs may have first evolved in the Sahara and Amazon rainforest

Many think dinosaurs first emerged on land well south of the equator that now forms part of Argentina and Zimbabwe, but they may have actually arisen in tougher conditions near the equator | Continue reading


@newscientist.com | 15 days ago