Most people think about their blood type only when they donate blood, need a transfusion, or fill out a medical form. But ...

End-to-end encryption has become common in messaging apps, protecting conversations so that only the people involved can read ...

Scientists have identified several early signs that could help forecasters determine when a tropical cyclone is becoming ...

The gold rushes that drew hundreds of thousands of people to the American West may have left behind more than abandoned mines ...

Different types of matter can sometimes behave in surprisingly similar ways when they reach a critical point between two ...

Astronomers have taken their most detailed look yet at a fascinating group of small planets orbiting Barnard’s Star, one of ...

For decades, body mass index, or BMI, has been one of the most common ways to classify people as having normal weight, ...

Fasting may help lower high blood pressure by changing the body’s metabolism, according to researchers from Pantox ...

Ketamine may do more than rapidly ease severe suicidal thoughts in people with depression. Research from Columbia University ...

Addiction can change the brain in ways that make it extremely difficult for a person to stop using a drug, even when that ...

A cigarette, an e-cigarette and a nicotine pouch look very different, but they can all deliver the same addictive chemical: ...

A large study has raised concerns about using newer antipsychotic medicines as an added treatment for depression. Researchers ...