The International Space Station often passes close to the Moon, Sun, and naked-eye planets. Use this tool to plan viewing these close encounters.
The annual International Space Station marathon is underway with multiple passes visible each night. Here are some fun and unique ways to see and share it.
Watch the International Space Station as it passes into the shadow of the Earth, and learn what other features to keep an eye out for (such as the "water dump").
The orbiting science laboratory begins a series of marathon passes this week that favor the northern hemisphere.