New research challenges the long-standing idea that most fixed genetic mutations are neutral. For many years, scientists studying evolution have believed that most genetic changes influencing how ...

Our body's "blood factory" consists of specialized tissue made up of bone cells, blood vessels, nerves and other cell types.

Numerous companies offer tests, which may involve blood, urine or saliva collection, and can be very expensive. The results ...

At-home tests of the gut's microbiome are trending, but doctors say the technology is getting ahead of medical knowledge.

Genetics research and cognitive theory together are revealing autism’s biological depth and cognitive richness, shaping a ...

Lancaster County students fared better on all subjects in Pennsylvania’s two annual standardized assessments than their peers ...

Certain serious fungal infections occur in regions of the United States with specific environments and are often tied to soil ...

Are you smarter than the average U.S. student?Welcome to the ultimate Academic IQ Challenge, inspired by the Nation’s Report ...