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Humans in Space
Tracking every person living and working in orbit. Crew profiles, space station guides, and how to see them pass overhead.
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How Long Do Astronauts Stay in Space? Mission Lengths Explained
From standard six-month rotations to record-breaking year-long stays, here is how long crews actually spend aboard the ISS, Tiangong, and beyond.
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How to See the Space Station from Your Backyard
The ISS is the third-brightest object in the night sky. Here is exactly how to spot it, when to look, and what to expect when it crosses overhead.
Best Apps to Track Astronauts and Space Stations in 2026
A hands-on comparison of the top apps for tracking the ISS, Tiangong, and their crews in real time.
What Do Astronauts Do All Day on the ISS?
An hour-by-hour look at daily life aboard the International Space Station, from exercise and experiments to meals in microgravity.
Tiangong Space Station: China's Permanent Outpost in Orbit
Everything you need to know about Tiangong, from its three-module design and resident taikonauts to how to spot it in the night sky.
Who Is on the ISS Right Now? Current Crew for 2026
Meet the astronauts and cosmonauts currently living aboard the International Space Station, with crew bios and mission details.
How Many People Are in Space Right Now?
A running count of every human currently in orbit, across the ISS and China's Tiangong station, with crew profiles and rotation schedules.
Every Space Station Currently in Orbit [2026]
A complete inventory of crewed space stations past and present, from the Soviet Salyut program to today's ISS and Tiangong, plus what is coming next.