People who watch TV for long periods of time may have poorer brain health, including structural changes in regions linked to memory, a new study claims. The research, published in Alzheimer's & ...

Octopuses are unlike almost any other animal. With 8 arms, 9 brains, and over 500 million neurons, they can solve problems, escape through tiny spaces, and change color in seconds. Their soft bodies ...

Space messes with astronauts' brains – and that might be a big challenge for missions beyond the Moon. With four billion or so years of evolution behind us, humans are well suited to life at normal ...

Our unusually large brains are one of the defining features of our species. But there is no evidence that evolution strongly favoured big brains in the past 2 million years of human evolution, ...