The International Space Station has been orbiting Earth for two decades, becoming an iconic cosmic landmark where astronauts have helped establish humanity's constant presence among the stars. Because ...

This cutaway view shows the interior of the Starlab space station’s laboratory. (Starlab Illustration) How do you design a living space where there’s no up or down? That’s one of the challenges facing ...

Although the International Space Station is hundreds of miles above Earth’s surface, it’s still possible to catch a distant glimpse. The ISS, which has been orbiting Earth for more than 25 years, ...