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 ...

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

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 ...

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

In this episode of Space Minds, host David Ariosto speaks with Max Haot, CEO of Vast, the ambitious aerospace company based ...

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 ...

The ISS has cost an estimated $150 billion to build and operate, with NASA spending around $3 billion annually to keep it ...

Since the first crew of astronauts reached the International Space Station on Nov. 2, 2000, humanity has had a continuous presence among the stars.

Astronauts aboard the International Space Station (ISS) orbit the Earth hundreds of miles above American soil. But that doesn’t mean they can’t vote while they float. NASA astronaut David Wolf, aboard ...

(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 ...