Patients are requesting that blood transfusions come from people who they know have not been vaccinated against covid-19, which can cause dangerous delays

Monkeys with around 300 electrodes implanted in their brain were able to steer avatars around different virtual environments

A planet-warming El Niño climate phase is now developing, and some models predict it could turn out to be the strongest on record

How do you portray momentum in space accurately? Columnist Chanda Prescod-Weinstein takes a look at the origins of our understanding of motion, which runs from Isaac Newton back to the Zhou dynasty a

The gap between genetics and archaeology leaves us with an unclear picture of where the Neanderthals originated. Columnist Michael Marshall details a surprising new hypothesis that suggests they may have come from us

The protein craze is in full swing and beef consumption is on the rise, particularly in the US, where health agencies are promoting red meat as part of an optimum diet. So, how

L-ergothioneine, an antioxidant found in certain mushrooms, is thought to neutralise damaging molecules in uterine cells that may contribute to period pain

A small comet has been spotted slowing down and then speeding up again – but in the opposite direction, which we have never seen before