A Starlink satellite enthralled observers early Saturday morning as it broke up and reentered Earth's atmosphere.

As the first Hispanic woman to travel to space and director of NASA’s Johnson Space Center, the former astronaut has broken ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Live updates from Saturday morning’s scrubbed SpaceX Starlink 10-51 mission from NASA's Kennedy Space Center in Florida.