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During courtship rituals, female scorpions appear to willingly let males sting them, which may be a way for them to evaluate prospective mates

Chimpanzees, bonobos, orangutans and gorillas frequently toy with their peers by poking, tickling or stealing from them, perhaps showing behaviours that were prerequisites for human joking

Dream engineers are developing technologies that can help you sleep more soundly and use your nighttime hours to your advantage - but there could also be a dark side

If we are ever going to have a solar power station in space, we will need to be able to transmit power from orbit - a feat that has now been achieved

Some pet dogs retain their baby teeth, creating two rows that resemble the mouth of a shark. A new analysis shows that the condition is more prevalent in smaller breeds and obese dogs

Scientists have found that we generally remember where an object was located, but possibly not its other details, a discovery that could change how we view eyewitness testimonies

Male Brachycephalus pulex frogs are so small that two of them can sit side by side on a pinky nail

A phenomenon called the Fermi resonance, which affects how molecules vibrate, is responsible for a large part of carbon dioxide’s planet-warming effect

Two wayfinding apps use motion sensors and AI to help people who are blind navigate a building, without needing to hold their phone out in front of them and risk theft

US company Intuitive Machines is launching its Odysseus lander towards the moon's south pole. If all goes well, it will be the first private firm to put a spacecraft on the moon

A stone wall nearly a kilometre long found under the Baltic Sea may have been built by ancient hunters to channel deer into a confined space

Exposing mice to continuous loud noises changed the zinc levels in their inner ears, while a zinc-trapping compound helped prevent some of the damage

When black holes are born from collapsing stars, they emit a short-lived jet that may slow down the black hole’s rotation to nearly a standstill

String theory is widely considered beyond empirical investigation. But we could conceivably test it thanks to ancient particles called moduli, which might appear in astronomical observations, says theorist Joseph Conlon

As we increasingly live in cities, tiny apartments are likely to become the norm. A new exhibition has clever space-managing ideas – but also stark warnings about the health challenges ahead

The first ever UN report into the state of migratory species suggests animals from sharks to sea birds face a bleak future

A quantum experiment that could separate a particle’s properties from its mass has physicists arguing over how reality works in the quantum world

Infants aged just 4 months old who live in a home where two languages are spoken have distinct patterns of brain activation compared with infants living in monolingual environments

Moulds of an organ's delicate blood vessel network can be made with 3D-printed ice, helping to overcome the intricacies of growing transplant organs in a lab

The most detailed computer model run so far shows that melting ice sheets could cause the collapse of the major ocean current that warms Europe, but it's still unclear how likely this is to happen