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) 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 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 ...

Astronauts reported seeing a mysterious light during a space mission, and NASA has now confirmed the real explanation behind the unusual sight.

It will be several years before any of these new commercial space stations circle the Earth at around 17,500 miles per hour ...

For a quarter of a century, humans have continuously occupied the International Space Station. Here's a look at how far we've ...

A rare and vivid atmospheric event has been captured from orbit, offering scientists new insight into how lightning behaves far above Earth’s weather systems. Astronauts aboard the International Space ...