Dr. Bernard Harris, Jr., the first African American to walk in space, reflects on his 30-year legacy and looks ahead to his ...

The Hera probe from the European Space Agency (ESA) recently captured spectacular images of Deimos, the smallest moon of Mars ...

According to a recent study, a brain rhythm associated with the body's natural sleep-wake cycle could explain the alternation ...

Scientists have discovered four tiny planets circling our second-closest star system, Barnard’s Star. The reddish ball of gas is only six light-years away from Earth in the constellation Ophiuchus.

From farmer's daughter to record-smashing astronaut, Peggy Whitson's nearly four-decade career to be marked by a Hall of Fame ...