Strange solids called temporal metamaterials finally make it possible to investigate the controversial idea of quantum friction – and push special relativity to its limits

Two types of fusion reactor called tokamaks and stellarators both have drawbacks – but a new design combining parts from both could offer the best of both worlds

While time is relative, it still flows in one direction for every observer. We don’t yet understand why, but some physicists are looking for answers that invoke the evolution of entropy, says Chanda Prescod-Weinstein

An experiment with a robot and gelatine determined that 65-micrometre-thick paper is the most prone to slicing our skin – but it can also make for a handy recyclable knife

Almost all the stars that will ever exist have already been born, and they have been around long enough for life to evolve on planets that orbit them

A jiggling robot has revealed the ideal vibrating speed to free jumbled fibres

A subatomic particle called the muon caused waves when its experimental behaviour didn't align with a prediction based on the standard model. A new calculation might resolve the discrepancy – but some particle physicists are sceptical

Experiments in a wind tunnel have revealed why the sling action bowling technique made famous by Sri Lankan cricketer Lasith Malinga is so effective at hoodwinking whoever is batting

In the quantum realm, a particle’s properties can be separate from the particle itself, including its angular momentum – which could require a rethinking of fundamental laws

In 2022, physicists were excited by hints that something was wrong with our understanding of the universe - but new results have put that in doubt

A recent atomic physics workshop was outside my dark matter comfort zone, but learning about science beyond my usual boundaries was invigorating, says Chanda Prescod-Weinstein

Simple words like "force" and "particle" can mislead us as to what reality is actually like. Physicist Matt Strassler unpacks how to see things more clearly

Daniele Oriti’s pursuit of a theory of quantum gravity has led him to the startling conclusion that the laws of nature don’t exist independently of us – a perspective shift that could yield fresh breakthroughs

Could the universe's missing matter be hiding in a "dark" extra dimension? We now have simple ways to test this outlandish idea - and the existence of extra dimensions more generally

The symbols and mathematical operations used in the laws of physics follow a pattern that could reveal something fundamental about the universe

Marie Curie redefined the role of women in science by training a generation of “lab daughters” to have stellar careers, shows Dava Sobel's detailed and intimate new biography, The Elements of Marie Curie

The Impossible Man by Patchen Barss salutes Roger Penrose's groundbreaking work in physics and mathematics while challenging the idea that a genius should be exempt from ordinary obligations

From a sea turtle and diver swimming in harmony in Malaysia to a red-eyed tree frog in its Costa Rican rainforest home, take a peek at some of the winning entries in one of the most prestigious photography competitions

Geologists think there may be vast natural stores of hidden hydrogen gas within Earth, but no one is sure how much there is or how much could be recovered for energy

A well in Nebraska is the first in the world to have been drilled in search of naturally occurring geologic hydrogen, but tests to determine how much of the gas it might supply are on hold because of a broken pump

An oil company in China has started drilling a hole that would be the deepest in the country and among the deepest in the world

Pressure on the San Andreas fault from a now-dried lake could have been sufficient to trigger past major earthquakes in California. The lake’s disappearance could explain why there have been no such quakes for nearly 300 years

Earth appears to have less mass beneath a certain part of the Indian Ocean compared with the rest of the planet. Plumes of magma at the location could explain why

Earth’s iron-rich inner core may owe some of its surprising softness to the motion of atoms, suggest experiments with iron at high temperature and pressure coupled to AI simulations

Some 550 years ago, a Venetian monk named Fra Mauro set out to create a world map. Rather than myth and religion, it was based on solid evidence for the first time

Companies are searching all over the world for deposits of geologic hydrogen that could be used as clean fuel, and a mine in Albania could give them clues about where to look

Strange volcanoes called kimberlites bring diamonds up from Earth's depths. Scientists have always struggled to understand why they switched off millions of years ago – but perhaps they didn't

A proposal to define the Anthropocene as a geological epoch was rejected this March, but humanity's impact on Earth is real, whether formalised or not, says Jan Zalasiewicz

After over a year of record-high global sea temperatures, the equatorial Atlantic is cooling off more quickly than ever recorded, which could impact weather around the world

James Lovelock's hypothesis that our planet is a living entity is well known. Ferris Jabr's new book Becoming Earth takes it a step further

A sprawling research program aims to improve hurricane forecasts by collecting data at the chaotic interface of ocean and atmosphere

The earliest evidence of livestock with modified horns has been discovered in ancient Egypt – sheep skulls with horns that point in unnatural directions suggest humans forced them to grow that way

The Impossible Man by Patchen Barss salutes Roger Penrose's groundbreaking work in physics and mathematics while challenging the idea that a genius should be exempt from ordinary obligations

The brain pathway that causes hairy mammals like mice and dogs to shake themselves dry appears to have more to do with pressure than temperature

In More and More and More, Jean-Baptiste Fressoz argues that tackling climate change means rethinking our history of energy consumption – and exposing the green transition as a fiction

In order to figure out how something came from nothing, we first need to explore the different types of nothing

Birthrates are projected to have fallen below the replacement level, of 2.1 per woman, in more than three quarters of countries by 2050

Why childhood is so protracted has long been mysterious, now a spate of archaeological discoveries suggest an intriguing explanation

Animal life on Earth existed for over half a billion years before hominins hit the scene – a complex combination of environmental changes, innovations in technology and competition may have led to us

Recent fossil finds suggest that big brains weren't an evolutionary asset to our ancestors but evolved by accident – and are likely to shrink again in the near future

A Neanderthal skeleton was discovered encased in rock in an Italian cave 30 years ago, but it hasn’t been studied much due to a long-running impasse about how to safely excavate it

New research is revealing that common sense is a lot more idiosyncratic than we thought, with important implications for tackling political polarisation and the future of AI

Spear-throwing tools called atlatls allow humans to launch projectiles over great distances, but Neanderthals apparently never used them – and an experiment involving a 9-metre-tall platform may explain why

The earliest evidence of livestock with modified horns has been discovered in ancient Egypt – sheep skulls with horns that point in unnatural directions suggest humans forced them to grow that way

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