A hidden molecular chain reaction in the brain may push key cellular systems into overdrive in autism—and scientists just found a way to switch it off.

Think of the brain as a city with traffic lights that keep signals flowing smoothly. In a new study, researchers followed a clue about nitric oxide, a common chemical messenger, and found that, in ...

Finding out how microbes make compounds containing the diazo chemical group could help researchers to synthesize useful ...

The cold season is in full swing, throats are scratchy and noses are running. We feel ill and hope it is not the flu. The ...

A resurrected ancient enzyme is helping scientists test how reliably Earth’s oldest rocks record signs of life.