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Visible from urban locations, pairing takes on special meaning when seen with minimal light pollution ...

The prehistoric birch tar found in Estonia contained traces of saliva that were analysed by genetics experts ...

Editorial: New technologies can reduce our reliance on animal experiments. This isn't just morally right, it could have scientific and economic benefits too ...

Multi-year studies announced after Cass review found 'insufficient evidence' about effects on children with gender dysphoria ...

UK academics say latest chemicals are 'wake-up call' and urge global action to stop weaponisation of neuroscience ...

Scientists say plant's resilience suggests it could help with oxygen generation or soil formation on space missions ...

The story has sparked debates about cryogenics and fidelity. But it also tells us something deeper about our responses to loss, asks writer and journalist Imogen West-Knights ...

As the Cop30 climate talks continue in Brazil, Madeleine Finlay hears about a landscape at the opposite end of the planet facing the direct impacts of the climate crisis. The Guardian reporter Leyland Cecco recounts a recent trip to Qikiqtaruk off .. ...

The interstellar visitor, known as 3I/Atlas, will be seen just in this instance, never to come back again ...

Study calls for depression treatment to be suspended for more research after reports of heart problems and emotional blunting ...