For the first time, electrical stimulation has enabled paralysed people to stand on their own. It’s early days but hopes are high the treatment could restore quality of life. Emily Waltz investigates.
A new theory has emerged to explain the zebra’s distinctive colouring. Yi-Di Ng reports.
Observations of Enceladus by the Cassini spacecraft suggest that it, like Jupiter’s moon Europa, could have an ocean of water beneath its surface. Helen Maynard-Casely takes a closer look.
The value of a project to introduce bighorns to an island off the coast of Mexico is in doubt after evidence showed the animals died out there more than a thousand years ago. Erin Brodwin reports.
For all our state-of-the-art imaging technology, we are better at searching the surface of the Moon than the depths of the ocean. Philip Dooley looks at how science has measured up to the task of finding the Malaysian aircraft.
Genetic tweaks make it easier to pulp trees for paper and fuel. Daniel Cossins reports.
There is no evidence that the controversial treatment is any better than a placebo, a review of the medical research has found. Tim Dean reports.
A bold mission to put a spacecraft on the surface of a comet for the first time may provide answers to questions about the origins of our solar system. By Robin McKie.
The misconduct verdict against a stem cell researcher is unlikely to be the end of the story, writes Elizabeth Finkel.
Global warming is already impacting food security, human health, and the natural world – and it only gets worse from here. James Mitchell Crow reports.