New Scientist Space - Space Headlines

Our pupils shrink and expand as we breathe in and out, but whether this affects vision is unclear

Highland and lowland populations in Papua New Guinea have different gene variants derived from Denisovan archaic humans, indicating possible adaptations for lower oxygen levels and higher malaria risk

Hoverboards, or self-balancing scooters, are already used by hobbyists as a basis for robots, but now a group in Russia is putting them to use on the battlefields of Ukraine

All life on Earth can trace its origin to LUCA, the last universal common ancestor – and now it seems this organism may have lived a few hundred million years after the planet formed

When astronauts go on a spacewalk, their urine is collected by what is essentially a large diaper before being thrown away, and they have less than a litre of drinking water available - but a new kind of spacesuit could solve both issues

A set of mathematical equations can help turn apparently random observations into a clock – and then measure its accuracy

Researchers have reshaped single electrons into spiralling matter waves with distinct handedness that could be used to study and control materials

Thick sea ice is flowing into the Northwest Passage, complicating predictions that melting ice due to climate change will open a shorter route between oceans

A complete genome has been extracted from a 52,000-year-old woolly mammoth, which might bring us closer to resurrecting the species

Adding a polymer-alcohol mixture to menstrual pads causes blood to solidify, rather than being absorbed, which could ward off leaks

Horse therapy helps people with Alzheimer's disease socialise and improves their mood to a greater extent than music therapy, which is more established for supporting people with dementia

Within a group of decision-makers, the longer it takes someone to make a choice, the less likely they are to be influenced by their inherent biases according to a mathematical model

Two lions, one missing a leg, made a 1.5-kilometre swim through crocodile-infested waters in Uganda, probably in order to mate with females

Social media assures us that we can grow a rose cutting in a raw potato. But you're better off sticking with tried and tested methods of rose propagation, says James Wong

See some of the dazzling pictures that were shortlisted for the annual Astronomy Photographer of the Year competition

Some technologies never quite make it. But a new book, The Long History of the Future, shows how certain problems are just bigger and thornier than we thought

Exhausted by today's political and environmental instability, Annalee Newitz investigated what a future Earth might look like. Get ready for green mining, soft cities and robo-taxis

Feedback wonders if a little engineering knowhow might have come in handy in Glorit, New Zealand, where procedures were seemingly ignored during maintenance of an electrical power pylon

When we lose a loved one, it has a profound effect on our bodies. Taking our grief outside offers us better healing in the long term than shutting it away, says Ruth Allen

An eye-opening new book by psychologist Lucy Foulkes lifts the lid on the surprisingly rational strategies behind the risky behaviours of adolescence, finds Catherine de Lange