The world's most comprehensive interactive space platform. Track the ISS live, monitor space weather, explore 30+ science modules — completely free.
- 🛸 Live ISS Tracker
Track the International Space Station in real time. See its exact latitude, longitude, altitude (~408 km), and speed (27,600 km/h). Get pass-over alerts for your city.
- 🛰️ Satellite Tracker
Live positions of hundreds of satellites including Starlink constellations, GPS satellites, and weather satellites on an interactive 3D globe.
- ⛈️ Space Weather
Real-time solar wind speed, Kp geomagnetic index, aurora forecast, and X-ray flux from NOAA SWPC. Know when the Northern Lights are visible.
- 🌙 Moon Phase
Today's moon phase, moonrise and moonset times, illumination percentage, and a calendar of upcoming full moons and new moons for 2026.
- 🚀 Launch Countdown
Countdown timers to upcoming rocket launches from SpaceX, NASA, ESA, and more. Live updates from The Space Devs launch database.
- 🌌 NASA APOD
NASA's Astronomy Picture of the Day — a stunning image or video of the cosmos explained by a professional astronomer, updated every 24 hours.
- ☄️ Near-Earth Objects
Live feed of asteroids and comets passing near Earth this week, with size estimates, approach distances, and miss distances from NASA's NeoWs API.
- ⭐ Interactive Star Map
Tonight's sky map showing constellations, planets, and stars visible from your location. Uses your GPS to show exactly what's overhead right now.
- 🧬 Space Survival Guide
How long would you survive unprotected in space? On the Moon surface, in Low Earth Orbit, near Jupiter, or inside the Sun? Interactive simulation with real physics.
- 🗑️ Space Debris Crisis
Over 27,000 pieces of tracked debris orbit Earth. Explore the Kessler Syndrome cascade effect timeline and how it threatens future space access.
- ☢️ Cosmic Rays
Cosmic rays hit every square centimeter of Earth's surface. Learn about the biological effects of radiation in space and how astronauts are protected.
- 🔭 Stellar Classification
The OBAFGKM spectral classification system explained. Compare O-type blue giants to M-type red dwarfs by temperature, mass, luminosity, and lifespan.
- 🪐 Planetary Geology
Eight geological wonders of the solar system — Olympus Mons on Mars (3x taller than Everest), Valles Marineris, Europa's ice shell, and more.
- 👽 Fermi Paradox
If the universe is so vast and old, where is everyone? Explore 8 leading solutions to the Fermi Paradox, from the Great Filter to the Dark Forest theory.