27 science & space websites
Scale, physics and the sky above you. Every science & space site in the directory, each one checked by a person.
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Anatomy Atelier
Explore the human body in 3D, organ by organ, with hotspots and short lessons on what each part does.
- Science & Space
- Free
- anatomyatelier.org
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Dinosaur Pictures
Hundreds of dinosaurs, each with a gallery of reconstructions, size comparisons and where and when it lived.
- Science & Space
- Free
- dinosaurpictures.org
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Eye Atlas
An interactive 3D model of the human eye. Orbit it, peel it apart layer by layer, slice it in half and see what goes wrong in common conditions.
- Science & Space
- Free
- eye-anatomy-delta.vercel.app
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Javalab
Hundreds of small, clear simulations of physics, chemistry and earth science, from pendulums to tides.
- Science & Space
- Free
- javalab.org
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LeoLabs Visualization
Every tracked satellite and piece of debris in low earth orbit, swarming around a 3D globe in real time.
- Science & Space
- Free
- platform.leolabs.space
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Nikon Small World
Fifty years of winning photos and videos taken through a light microscope: crystals, cells, insect eyes and things you can't name.
- Science & Space
- Free
- nikonsmallworld.com
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Stella Nova
A space colony game whose lab doubles as a playground of live physics simulations, from orbits to black holes and wormholes.
- Science & Space
- Free
- davesgames.io
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Zperiod
An interactive periodic table with 3D atom models, electron shells and properties for all 118 elements.
- Science & Space
- Free
- zperiod.app
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100,000 Stars
Zoom out from the Sun through a 3D map of our stellar neighbourhood, with over a hundred thousand real stars to click on.
- Science & Space
- Free
- stars.chromeexperiments.com
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Atom Animation
Spin 3D models of atoms and molecules and watch electrons, orbitals and bonds animate as you explore the periodic table.
- Science & Space
- Free
- atomanimation.com
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NukeSimulation
Drop a nuclear weapon on any city in 3D and see the fireball, blast rings, heat and fallout plume. Sobering and clearly explained.
- Science & Space
- Free
- nukesimulation.com
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What Did Hubble See on Your Birthday?
Pick a day and month and NASA shows you the Hubble image taken on that date, with a short note on what you're looking at.
- Science & Space
- Free
- imagine.gsfc.nasa.gov
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The Observatory of Economic Complexity
Treemaps of what every country makes and trades with everyone else. Click Chile and see copper. Click Japan and see cars.
- Science & Space
- Freemium
- oec.world
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Servier Medical Art
Thousands of clean medical and biology illustrations, from cells to organs to lab gear, free to use in slides and papers under CC BY.
- Science & Space
- Free
- smart.servier.com
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Ptable
The interactive periodic table everyone ends up linking to. Drag the temperature slider to watch the elements melt and boil, or switch to orbitals, isotopes and compounds.
- Science & Space
- Free
- ptable.com
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xeno-canto
A community archive of wildlife sound: hundreds of thousands of bird, bat and insect recordings from around the world, searchable by species and shared under Creative Commons.
- Science & Space
- Donation
- xeno-canto.org
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Heavens-Above
Give it your location and it gives back the exact time, direction and brightness of the next ISS pass, plus charts for satellites, comets and planets. Plain and trustworthy.
- Science & Space
- Free
- heavens-above.com
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iNaturalist
Photograph anything alive and a mix of naturalists and machine vision will tell you what it is. Verified sightings become open biodiversity records scientists actually use.
- Science & Space
- Free
- inaturalist.org
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Our World in Data
Long-run data on health, energy, food and poverty, charted and sourced, with the underlying numbers downloadable. The place to check a claim about how the world is going.
- Science & Space
- Free
- ourworldindata.org
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PhET Interactive Simulations
Hundreds of physics, chemistry and biology simulations you can poke at — drag a mass onto a spring, mix a solution, build a circuit and watch it burn out.
- Science & Space
- Free
- phet.colorado.edu
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Zooniverse
Real research projects that need human eyes: classify galaxies, transcribe ship logs, count penguins. Ten minutes of your attention becomes a line in someone’s paper.
- Science & Space
- Free
- zooniverse.org
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NASA Eyes
Fly through a real-time 3D model of the solar system, tracking actual spacecraft on actual trajectories.
- Science & Space
- Free
- eyes.nasa.gov
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Wikipedia
The improbable success story of the internet. Start anywhere; you will be somewhere else in an hour.
- Science & Space
- Donation
- wikipedia.org
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Observable
Reactive notebooks for data analysis and visualisation, with a huge public gallery to learn from.
- Science & Space
- Freemium
- observablehq.com
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GeoGebra
Free dynamic mathematics software for geometry, algebra, statistics and calculus, all in-browser.
- Science & Space
- Free
- geogebra.org
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Scale of the Universe
Zoom continuously from the Planck length to the observable universe. Still stunning years later.
- Science & Space
- Free
- scaleofuniverse.com
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Solar System Scope
An interactive, texture-accurate model of the planets that works beautifully as a teaching tool.
- Science & Space
- Freemium
- solarsystemscope.com
