Faces unlock Apple phones but Greeks believed they reveal the secrets of the soul

More of us, including Jeremy Corbyn, find the diet appealing — but is it healthy?

The Cassini mission has given us new insight into Saturn and the origins of life

Monday’s cosmic event promises to have more spectators than the revolutionary war

As more people are prescribed the medication, it is coming under wider scrutiny

AI experts are urging deeper understanding of machine decision-making

The Charlie Gard case serves as a reminder that any advance is an act of defiance

Scientists’ efforts to emulate the process of photosynthesis are flourishing

Using intuition is a rational response to cognitive overload but leaves us exposed

New discoveries are making our species’ family tree ever more tangled

Research has uncovered an additional public health risk from a warming planet

Scientific evidence challenges assumptions of madness and theories of radicalisation

Workers in the fast-growing gig economy are vulnerable to illness

Optimism that research can outsmart disease-carriers hits a setback

How experiments are recreating images of reality by reading our thoughts

More men delay fatherhood to focus on careers but science suggests there are risks

The challenge is to keep treatments affordable but still encourage innovation

Givers have been criticised for wielding disproportionate power over public life

Sometimes it is right for researchers to go public

Behaviour, homework and exam revision: here are the strategies that work

Studies with dubious standards are diluting the integrity of research

The serious consequences of the Brexit vote put decision-making in the spotlight