Blood tests could pave the way for distinguishing between Alzheimer’s, Parkinson’s and some dementias, aiding early treatment for brain diseases.

For the first time, astronomers have spotted a star that exploded not once, but twice. A new image of a roughly 300-year-old supernova provides visual evidence that some dying stars undergo a double ...

Extremely aged organs came with higher odds of disease for that organ, the team found. For example, an extremely aged heart predicted a higher risk of atrial fibrillation and heart failure, and ...