Indian-origin astronaut Sunita Williams, currently on the ISS, shared a stunning selfie during her 9th spacewalk with fellow astronaut Butch Wilmore. Williams achieved the most cumulative spacewalking ...

"After the maneuver, the ISS’ medium altitude will increase by 350 meters to 419.72 km," the Roscosmos press office said. Currently, Roscosmos cosmonauts Oleg Novitsky and Pyotr Dubrov ...

The ISS serves as a microgravity and space environment research laboratory where scientific research is conducted in ...

The ISS's orbit is slowly decaying. While it might seem a permanent fixture in the sky, the orbiting space laboratory is only about 400 km above the planet. There might not be a lot of atmosphere at ...

A photographer on Earth has captured an incredible telescope image of NASA astronaut Suni Williams outside of the ...

The secret behind how the International Space Station remains in orbit can be ... It would keep falling, following this curve, without losing altitude because the planet would be curving away ...

With the Northern Lights forming between 60 to 186 miles (100 to 300 km) above the ground, the ISS soars above at almost four times this altitude. On social media, space fans have been blown away ...

The International Space Station orbits about 250 miles above Earth. Although the atmosphere at that altitude is wispy, it still exerts enough drag to slow the ISS and cause it to lose altitude.

Williams not only performed crucial tasks outside the ISS but also set a new spacewalking record for female astronauts.

The orbit around the Earth that extends up to an altitude of 2,000 km (1,200 miles) from Earth’s surface. The International Space Station’s orbit is in LEO, at an altitude of approximately 250 ...

Were the ISS at a lower altitude, it would have to travel faster to avoid dropping into Earth's atmosphere and burning up. There are some complications, though, which mean that the ISS cannot be ...