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

An analysis of satellite observations has identified some extreme thunderstorms over the Indian Ocean and Gulf of Mexico with lightning flashes so frequent that the sky would appear continuously lit

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

Global warming means many of the world’s ancient rivers of ice will be gone within decades, threatening ecosystems that rely on their meltwater, a looming crisis that photographer Edward Burtynsky highlights in his work

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

Smoke from wildfires burning in Canada and Mexico is already worsening air quality in the US, but some signs suggest clearer skies than last year

Millions of tonnes of water vapour have been lingering in the atmosphere since the Hunga Tonga-Hunga Ha’apai volcano erupted in 2022– possibly contributing to global warming

This claustrophobia-inducing image is taken from photographer Martin Broen's new book Light in the Underworld, a collection of shots from the Yucatán’s cenotes, or sinkholes

Rapid erosion caused by a geological act of “piracy” tens of thousands of years ago may have raised Earth’s crust and elevated Mount Everest by as much as 50 metres

An analysis of crystals in lava from the 2022 eruption of Mauna Loa has revealed an unknown magma reservoir within the volcano, which could extend forecasts of eruptions from minutes to months

A specialised algorithm could help autonomous vehicles track hidden objects, such as a pedestrian, a bicycle or another vehicle concealed behind a parked car

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

Diets that claim to control excess oestrogen or stress hormones are all the rage on Instagram and TikTok. They could be good for us, just not for the reasons claimed

A massive undertaking to map cancer tumours is providing new insights into how the disease forms, evolves and develops resistance to treatments

The US Census Bureau processes data before publishing it in order to keep personal information private – but a new approach could maintain the same privacy while improving accuracy

Feedback digs into a baffling ad for a mobile game and identifies a new and devilish way to advertise a product online: make it as confusing as possible to encourage people to click (it worked on Feedback)

I have a confession to make. After taking a handful of autonomous taxi rides, I have gone from a hater to a friend of robot cars in just a few weeks, says Annalee Newitz

Soil is full of an uncountable number of viruses, and scientists are only beginning to understand just how substantial their role in the carbon cycle may be

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

Running, swimming, HIIT or walking – what is the best way to work out? The answer is complicated, and depends on the person, finds Grace Wade

DNA analysis suggests Pando, a quaking aspen in Utah with thousands of stems connected by their roots, is between 16,000 and 81,000 years old

Chronic pain has increased among adults in the US since 2019, which could be due to a rise in sedentary lifestyles or reduced access to healthcare amid covid-19 restrictions

When it comes to the survival of animals living in the wild, the characteristics of the group can matter as much as the traits of the individual, according to a study in marmots

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

A stellar cast play leaders of G7 countries facing an existential crisis in Rumours, a smart film about communication, diplomatic nonsense and not coping, says Simon Ings

SpaceX is preparing for the sixth test flight of Starship, the world's most powerful rocket. Next week's launch – if successful – will be the fastest turnaround yet

An analysis of crystals in lava from the 2022 eruption of Mauna Loa has revealed an unknown magma reservoir within the volcano, which could extend forecasts of eruptions from minutes to months

DNA from bones found in a cave in Germany has been identified as from Homo sapiens, showing that our species endured frigid conditions there as they expanded across the continent

Experiments with a replica suggest that a piece of mammoth ivory with carved holes found in a cave in Germany was used by ancient humans to make ropes

New archaeological evidence shows that ancient humans ate each other surprisingly often - sometimes for compassionate reasons. The finds give us an opportunity to reassess our views on the practice

A genetic study of nearly 2700 individuals has revealed the ancestry of Indian people, and gets scientists closer to reconstructing the genomes of ancient Neanderthals

A southern mammoth skeleton found in Spain bears cut marks from stone tools and bite marks from carnivore teeth, suggesting that both hominins and felids feasted on its meat

An experiment inspired by Homer’s description of combat in The Iliad tested the capabilities of the Dendra armour suit from Greece’s Bronze Age

Rock art along the Orinoco river in South America is made up of some of the largest etchings we know of and could date back 2000 years

DNA evidence from tombs in Sweden and Denmark suggests major plague outbreaks were responsible for the Neolithic decline in northern Europe

Highland and lowland populations in Papua New Guinea have different gene variants derived from Denisovan archaic humans, indicating possible adaptations for lower oxygen levels and higher malaria risk

A monument in southern Spain that dates to between 3600 and 3800 BC appears to have been built with an understanding of geology and physics

Where do morals come from? In Animals, Robots, Gods, anthropologist Webb Keane argues imagination and differing senses of the world are key to discerning right from wrong

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

Ancient weaponsmiths combined bronze and iron to fashion swords during the early Iron Age – but modern forgers glue together elements from different weapons, making it difficult for researchers to study the ancient technology

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