Roman soldiers defending Hadrian’s Wall had intestinal parasites
3rd-century baths and latrine block at Vindolanda, the Roman fort close to Hadrian’s Wall in the UK Vindolanda Trust Despite
The world will soon be losing 3000 glaciers every year
Meltwater runs through a glacier cave at the front of Morteratsch glacier in Switzerland Lander Van Tricht About 1000 glaciers
Some Arctic warming ‘irreversible’ even if we cut atmospheric CO2
A glacier meets the sea in Dickson Fjord, Greenland Jane Rix/Alamy The Arctic will retain about 1.5°C of warming even
Dinosaurs like Diplodocus may have been as colourful as birds
Illustration of a sauropod, with inset showing pigmented structures in the skin as seen with an electron microscope Tess Gallagher
Comet 3I/ATLAS from beyond solar system carries key molecule for life
Comet 3I/ATLAS is only the third known visitor to our solar system from elsewhere International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist; J.
Human cloning: Could the super-rich be doing it in secret?
Could the super-rich be secretly pursuing human cloning? Juan Roballo/Shutterstock Over decades of covering the incredible advances being made in
Ancient humans took two routes to Australia 60,000 years ago
Ancient humans took two distinct routes to what is now Australia Helen Farr and Erich Fisher When and how ancient
Origin story of domestic cats rewritten by genetic analysis
Domestic cats are descended from North African wildcats Mariia Boiko/Alamy Genetic evidence has revealed that domestic cats originated in North
A new understanding of causality could fix quantum theory’s fatal flaw
The ball rolls across the floor because it was kicked, just as Earth orbits the sun because it is tugged
Astronomers may have glimpsed evidence of the biggest stars ever seen
Artist’s impression of a field of Population III stars 100 million years after the big bang NOIRLab/NSF/AURA/J. da Silva/Spaceengine/M. Zamani