Memory problems are a familiar warning sign of dementia, but changes in judgment, language, daily routines, and personality ...

Two widely used water pills showed similar rates of major heart-related outcomes but different safety patterns in a large ...

A study of more than 460,000 older Americans found no overall link between total ultra-processed food intake and bowel cancer ...

A robot that can imagine what a room will look like after it moves an object may be better at following everyday instructions ...

Birds do far more than pollinate flowers, scatter seeds and eat insects. A major scientific review shows that they also move ...

Turning Mars into a world more like Earth might sound like a bold step for human exploration. But scientists warn that ...

A lightweight wearable device designed to gently disturb a person’s balance helped healthy volunteers improve their reactions ...

Scientists have found two experimental metals that stay surprisingly tough at temperatures cold enough to freeze almost ...

A form of vitamin B3 was linked to fewer new glaucoma diagnoses among people with high eye pressure, a medical-record study ...

Astronomers have found a rare view of a giant planet-forming disk that resembles a hamburger seen from the side. Its layered ...

Scientists have identified a problem in the way brain cells remove damaged parts, offering another possible explanation for ...

The northern lights can spread across the sky like glowing curtains, but some of their smallest ripples remain difficult to ...