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

See some of the top entries to this year's Mangrove Photography Awards, showing the beauty and fragility of these unique ecosystems

Pascal Maitre's photos from the Democratic Republic of Congo detail the problems arising as demand for cobalt grows

Seismologists were mystified by a strange signal that persisted for nine days in 2023 – now its source has been identified as a standing wave caused by a landslide in Greenland

El Niño and La Niña cycles driven by ocean temperatures in the Pacific can influence weather in the North Atlantic 12 months later – a finding that could improve long-range forecasts

A typically fragile quantum superposition has been made to last exceptionally long, and could eventually be used as a probe for discovering new physics

Thanks to artificial intelligence, understanding animals may be closer than we think. But we may not like what they are going to tell us, says RSPCA chief executive Chris Sherwood

Fewer lakes are freezing over each winter compared with past years, posing environmental and economic consequences around the world

People conceived during the UK's 1940s and 50s sugar rationing have a lower risk of type 2 diabetes and high blood pressure than those conceived after rationing ended

In support of their AI ambitions, tech companies are rapidly expanding US data centres, and this growth is on track to significantly increase US gas demand by 2030

A new study amplifies the horror of an excellent series about the doomed Franklin expedition. The Terror is a worthy tribute to the lost sailors, says Bethan Ackerley

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

Fibres in wet wipes and clothes often make their way into soil - and natural versions could be more damaging than synthetic ones

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

We are living in a vaccine-hesitant moment, with conspiracy theories thriving on social media. We need to push back, says Simon Williams

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

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

Shortlisted for the Close-up Photographer of the Year contest, these images zoom in on animals in all their glory

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

Allowing for moves that create quantum superpositions makes a quantum version of a Rubik’s cube incredibly complex, but not impossible to solve

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

Most assessments of global warming use 1850-1900 as a baseline, but researchers have now established a new pre-industrial reference by using Antarctic ice cores to estimate the average temperature before 1700

Our hominin ancestors originated in Africa and the consensus is that they didn't leave there until about 1.8 million years ago, but stone tools found in Jordan challenge the idea

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

Korolevo, a site in Ukraine where early humans made stone tools, has been dated to 1.4 million years ago, suggesting early humans moved from Ukraine into the rest of Europe

Evidence from an archaeological site in Ethiopia suggests ancient humans adapted their diet during a dry spell after the Toba volcano eruption 74,000 years ago

Five years ago, a fossil found in the Philippines was determined to be from a new species of hominin called Homo luzonensis. Since then, we’ve learned a bit more about the newest member of the human family

The skull of Shanidar Z was found in the Shanidar cave in the Kurdistan region of Iraq, and has been painstakingly put back together

Around 3000 years ago, several empires and kingdoms in the Mediterranean collapsed, with a group of sea-faring warriors implicated as the culprit. But new evidence shows that many of our ideas about this turbulent time need completely rethinking

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

Soil core samples show an ancient riverbed under the desert near many Egyptian pyramids, revealing an ancient waterway that dried up thousands of years ago

Thousands of bones found in a Tibetan cave have been analysed to learn how mysterious ancient humans known as Denisovans lived

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

Fossils found 50 and 100 years ago seemed to pinpoint the moment humanity emerged – but defining a human has turned out to be far trickier than we thought

An arm bone from an ancient human that lived 700,000 years ago on the island of Flores is the smallest ever found from an adult hominin, adding a new piece to the puzzle of Homo floresiensis

We know that modern humans took one of two routes to first reach Australia, and now an ancient chunk of plant resin has tipped the evidence towards the northern option

Analysis of DNA from a Neanderthal fossil found in a French cave indicates that it belonged to a group that was isolated for more than 50,000 years

A new study amplifies the horror of an excellent series about the doomed Franklin expedition. The Terror is a worthy tribute to the lost sailors, says Bethan Ackerley

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