Applying a daily serum that contains extracts of a tropical plant improved hair density and strand thickness in just 56 days

By tracing when variations in the human genome first appeared, researchers have found that advances in cognitive abilities may have led to our vulnerability to mental illness

A beautifully preserved skeleton found on the UK’s Jurassic Coast has been identified as a new species of the marine reptiles known as ichthyosaurs

Redwing, a robotic submarine about the size of a surfboard, is embarking on a five-year journey that will follow the famed explorer Ferdinand Magellan’s voyage around the world

People with irritable bowel syndrome are often only given treatments like cognitive behavioural therapy after others have failed, but research suggests this approach is more effective than we thought

The longevity of naked mole rats may partly be due to them having a variant of a key protein that boosts DNA repair – a discovery that could help extend our own lives

Short pulses of light that impart rotation on a material's atoms can be used to switch a property called ferroaxiality, which could let us build very stable and efficient memory devices

A woman's fertility declines with age, which is often attributed to a fall in egg number and quality, but the environment of the ovaries themselves may also be responsible

Despite public promises by many fossil fuel firms that they are investing in the green transition, it turns out that they have made little contribution to the growth of renewable energy

The skeleton of King Richard III, which was found beneath a car park more than a decade ago, has well-preserved teeth, allowing scientists to sequence his oral microbiome

The first ever transplantation of a pig's liver into a living person helps us better understand how animal organs can be used to prolong, or even save, lives

Making electrons flow like a liquid is difficult, but inside graphene researchers forced them to move so fast that they created dramatic shockwaves

From an alien-looking flat-faced longhorn beetle to an abandoned baby rhino, images at London’s Natural History Museum show what we stand to lose from the decimation of global biodiversity

How did cooperation emerge in a cut-throat world? There are clues in the prisoner's dilemma experiment, says Peter Rowlett

Brian Cory Dobbs's documentary promotes the baseless idea that Mars was once inhabited by an advanced civilisation. But there's some value in how it inadvertently documents a generation of otherwise-sensible scientists, says Simon Ings

Clearing the Air answers all your burning questions about the net-zero transition, with optimistic, data-led insights designed to address misinformation about climate change, says Madeleine Cuff

Feedback is shocked to learn that one of our most cherished metaphors involving roses and thorns really needs to be revisited. That's what happens when you invite the botanists to play

Just because a food is ultra-processed doesn’t mean it is unhealthy. Regulation and eating advice must reflect this, say Julia Belluz and Kevin Hall, co-authors of Food Intelligence: The science of how food both nourishes and harms us

The conspiracy theory that bad actors use "chemtrails" from aircraft to poison us sucks energy from legitimate protest against aviation's effects on the climate, says Graham Lawton

In her new book, earth scientist Anjana Khatwa writes a love letter to Earth's rocks and mountains, offering a passionate blend of science and spirituality