In an experiment simulating what happens deep in the interiors of planets, scientists have found that liquid can be compressed into ice crystals – even at extremely high temperatures

With its particles in two places at once, quantum theory strains our common sense notions of how the universe should work. But one group of physicists says we can get reality back if we just redefine its foundations

The direction of cause and effect was brought into question for quantum objects more than a decade ago, but new calculations may offer a way to restore it

Forget atomic clocks. Nuclear clocks, which only drop a second every 300 billion years, can test whether nature's fundamental constants are constant after all

Even though the strange behaviour we observe in the quantum realm isn’t part of our daily lives, simulations suggest it is likely our reality could be one of the many worlds in a quantum multiverse

Experiments in a state-of-the-art wave tank suggest we have underestimated the potential size and power of rogue waves and the risk they pose to offshore infrastructure

Particles of light can spend "negative time" passing through a cloud of extremely cold atoms – without breaking the laws of physics

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

If gravity is a truly quantum entity, something as simple as measuring the strength of an object’s gravitational field should change its quantum state

A mathematical proof shows that some quantum states can resist nature’s tendency to disorder – but only under very specific conditions

A new technique uses glowing molecules, laser light and microscopes to measure distances as minuscule as 0.1 nanometres – the width of a typical atom

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

Simulations suggest that when a quantum battery shares a quantum state with the device it is powering, the device can gain more charge than was stored in the battery to begin with

Light can be directed and steered around bends using a method similar to the way clouds scatter photons, which could lead to advances in medical imaging, cooling systems and even nuclear reactors

Alan Turing's theories about computation seem to have a startling consequence, placing hard limits on how fast or slow any physical process in the universe can grow

Inside a hunk of a material called a semimetal, scientists have uncovered signatures of bizarre particles that sometimes move like they have no mass, but at other times move just like a very massive particle

Shapes created by vortices in water often fall apart, but an odd quantum fluid made from ultracold atoms could support vortex knots that never lose their knottiness

Olivier Grunewald took this image of the Icelandic volcano's central crater filled with lava, forming a fiery lake of liquid rock

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

Carbon emissions within the next 50 years could lead to a tipping point where large parts of the Greenland ice sheet melt over the next 10,000 years

Semi-mythical "earthquake lights" may be accompanied by changes to Earth's magnetic field. Now researchers say these changes could be used to forecast major tremors

The second series of this show about Earth 66 million years ago is a joy to watch - but it inspires more than it informs. A little more science would have been nice

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

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

Chris Packham's new BBC series, Earth, looks at significant moments in Earth's history, including anthropogenic climate change and biodiversity loss, "It's not a sixth mass extinction event that we're precipitating," he says, "it's a mass extermination event"

This photo of Tungurahua, a volcano exploding in the Ecuadorian night, comes from an illustrated book to accompany a TV series about Earth’s deep history

An analysis of GPS data has revealed a slow and otherwise undetectable slip of tectonic plates that begins two hours before an earthquake - but detecting this in advance would require more accurate sensors

The destruction of telecommunications cables during the eruption of Hunga Tonga-Hunga Haʻapai volcano in 2022 shows that underwater debris currents can travel at 122 kilometres per hour

An independent task force formed by NASA to look into unidentified anomalous phenomena found no evidence of alien craft, and suggests that if we want to find proof of visitors we need better data

Understanding how the world’s largest-known collection of pink diamonds came to the surface in Australia around 1.3 billion years ago could help us find hidden deposits elsewhere in the world

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

A better picture of the hidden landscape beneath the frozen surface of Antarctica could help us understand how the ice will respond to climate change

Lake Maracaibo in Venezuela, the largest lake in South America, has been captured in detail by the European Space Agency's Copernicus Sentinel-2 mission

A 15-kilometre-long mass of lava has formed underneath the Reykjanes peninsula in Iceland and could erupt at any time

Once seen as miraculous, these days ice is no longer extraordinary. But in a winter season when Antarctic sea ice hit a historic low, it is clear we should cherish it more, says Max Leonard

Iceland is bracing for a volcanic eruption, as thousands of small earthquakes have shaken the southern part of the Reykjanes peninsula since October

When most people are asked to name a river, they often reach for the Amazon or Nile, but these aren’t the only remarkable rivers out there. Here are 10 more from around the world – and solar system

Few volcanos come with more risk than Mexico's Popocatépetl, situated near Mexico City.  To mitigate danger, volcanologist Chiara Maria Petrone is trying to predict its next eruption

The stratosphere seems to be full of aluminium particles and other metals that come from spacecraft burning up in the atmosphere, and those particles could mess up polar clouds

This spectacular selection of images is taken from the winners of the Northern Lights Photographer of the Year competition, run by Capture the Atlas

An area of the seabed north of Australia has been mapped in detail for the first time, revealing that large numbers of people could have lived there until it was inundated by rising seas

Photographer Matjaz Krivic has been charting the effects of lithium mining on locals in the world's largest salt flat in Bolivia since 2016

An ocean research vessel has just discovered four underwater mountains, the tallest almost 3 kilometres high, that might be hotspots of deep-sea life

As a 15-kilometre crack formed ahead of the recent eruptions, magma flowed into it at the highest rate observed anywhere in the world

Microbes that rapidly convert CO2 to rock could lock away the greenhouse gas in deep underground storage sites, such as depleted oil and gas reservoirs

The Kikai-Akahoya eruption of an underwater volcano off the coast of Japan ejected enough material to fill Lake Tahoe twice, three times as much as the eruption of Mount Tambora in 1815

Mysterious green sunsets were reported after the massive eruption of Krakatoa in 1883 – now simulations show how they were created and just how rare they are

Humans are drastically changing the planet and the Anthropocene is a useful tool to help us deal with that – so let's stop quibbling over definitions

A huge plume of sulphur dioxide from the latest eruption in Iceland is drifting across Europe, but it isn't expected to cause any significant harm