Flying through Earth’s orbit are thousands of satellites and two operational space stations, including the International Space Station, which weighs as much as 77 elephants. The International Space ...

Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

The International Space Station (ISS) orbits high above our heads, yet the pull of Earth's gravity never hauls the complex out of orbit and sends it plummeting through our atmosphere, where it would ...

The International Space Station (ISS) has been in orbit for over 26 years, housing astronauts at an altitude of 250 miles (400 kilometers) above Earth. But even at that distance, the space station can ...

This quiz will test your grasp of everything from orbital mechanics and international partnerships to basic facts about the International Space Station ...

Using Newton's laws of motion and devices made from springs, astronauts on the International Space Station can measure their body mass. When you purchase through links on our site, we may earn an ...

The ISS has been in low orbit above the earth for almost 25 years. It’s played host to astronauts from around the world. But ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Flying through Earth’s orbit are thousands of satellites and two operational space ...