A robot has assembled a structure in space for the first time

AI-powered proof has rigorously proved that using quantum computers would not have huge advantages for a whole class of mathematical problems, confirming a vastly influential conjecture.

World leaders at COP31 show little enthusiasm for phasing out fossil fuels, but the plummeting costs of renewable energy will be the key factor in how quickly we can rein in global warming

There is some evidence that pink noise signals can boost the brain's ability to clear out waste products. Now there are some indications that this might improve memory performance in people with Alzheimer's

A weekly programme looking at the science that's changing our world.