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 ...

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 ...

How is it possible for the ISS to stay in orbit? Learn more about the science behind orbiting Earth and more in this NASA ...

NASA crews go through extensive training and have access to kit to treat medical issues in orbit, from dental problems and ...

(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 ...