Dive into 25 years of research aboard the space station here. For 20 years, the astronauts aboard the International Space Station have conducted science in a way that cannot be done anywhere else. Orbiting about 250 miles above our planet, the space station is the only laboratory available for long-duration microgravity research. During the past … Continue reading 20 Breakthroughs from 20 Years of Science aboard the International Space Station