In this article, scientists Stewart Edie and Torben Rick take you on a journey through the United States as nature sees it, ...

Could a quick, painless tear sample someday help doctors monitor changes in the brain before major symptoms appear?

Every so often, something from beyond our Solar System passes close enough for astronomers to study. Most of the time, these ...

Scientists have uncovered a surprising link between technologies designed to restore sight and touch, opening the door to a more unified approach for people with severe vision loss or paralysis.