Randall Munroe's legendary webcomic about science, math, language, and love. Hover over each comic for a hidden alt-text punchline.

Interactive simulations for physics, chemistry, and other sciences.

Chronological collection of future predictions and technological forecasts.

3D globe showing real-time wind, temperature, and ocean currents.

Interactive explanations and simulations that teach complex ideas.

Live satellite imagery with storm tracking and weather overlays.

European Space Agency’s portal for data, APIs, and developer resources.

Free 3D models, textures, and imagery from NASA.

Interactive science experiments and demonstrations for students.

Database for discovering and studying exoplanets and astronomy data.