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 ...

Everyone knows about the International Space Station. I mean, it's been in low Earth orbit for over 20 years. That means it's about 400 kilometers above the surface of the Earth traveling at a speed ...

This is part of a NASA-supported project hoping to fabricate "device-ready" wafers from space-grown crystals. With its microgravity environment, the International Space Station (ISS) provides ...

The space around Earth is home to many years worth of abandoned satellites, rocket boosters, and other bits of debris flying around at incredible speeds. Share on Facebook (opens in a new window) ...