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BLACK HOLE

Black Hole Lab

Navigate particles through the extreme gravity of a black hole

MID~8 MIN

NASA APOD

NASA Daily Photo

Explore NASA's daily curated astronomy photos and stories

EASY~5 MIN

STARSHIP MISSION

Starship Mission

Pilot a launch vehicle from liftoff to booster recovery

HARD~15 MIN

CURATED COURSES

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Healing Space

HEALING

Rest among the stars. Meditation, music, planet creation, daily cards, and art board — a universe where your mind finds peace.

DAILY CARD COSMOS COSMIC BREATHING SPACE SOUNDSCAPE HARMONY STAR ART PLANET FORGE

7 items

Observatory

ASTRONOMY

Daily space news, asteroid tracking, NASA photos, moon phases, star maps, Mars, and exoplanets — real data meets astronomy.

SPACE NEWS NEO MONITOR NASA APOD MOON PHASE STAR MAP MARS ROVER EXOPLANET

7 items

Physics Lab

SIMULATION

Gravity, three-body chaos, cosmic scale, stellar evolution, black holes, orbital mechanics — an interactive lab powered by real physics.

GRAVITY THREE-BODY SCALE STELLAR LIFE SLINGSHOT BLACK HOLE STARSHIP MISSION

7 items

Retro Arcade

ARCADE

Classic 80s arcade vibes rebuilt on the web. Galaga, Asteroids, Fortress, Collision — the old-school fun is alive.

GALAGA ASTEROIDS FORTRESS COLLISION ROCKET WORKSHOP ORBITAL DEFENSE

6 items

HEALING

Healing

DAILY CARD

Daily Card

Discover a different celestial object every day

EASY~2 MIN

COSMOS

Space Meditation

Relax with ambient space sounds and deep meditation

EASY~3 MIN

COSMIC BREATHING

Cosmic Breathing

Breathe with an expanding nebula in a meditative space experience

EASY~5 MIN

SPACE SOUNDSCAPE

Space Soundscape

Mix 8 cosmic sound layers to create your own ambient space

EASY~5 MIN

HARMONY

Planet Orchestra

Planetary orbits transformed into a celestial orchestra

EASY~5 MIN

STAR ART

Star Drawing

Place stars and draw constellations on a healing night sky art board

EASY~5 MIN

PLANET FORGE

Planet Workshop

Combine mass, atmosphere, and rings to forge your own planet

EASY~5 MIN

ASTRONOMY

Astronomy

SPACE NEWS

Today's Space

Stay updated with the latest space and astronomy news

EASY~5 MIN

NEO MONITOR

Asteroid Alert

Track near-Earth asteroids in real time with NASA data

EASY~3 MIN

NASA APOD

NASA Daily Photo

Explore NASA's daily curated astronomy photos and stories

EASY~5 MIN

MOON PHASE

Today's Moon

Real-time moon phases and lunar calendar based on astronomy

EASY~3 MIN

STAR MAP

Star Map

Interactive star chart to explore real night sky constellations

MID~10 MIN

MARS ROVER

Mars Explorer

Browse real photos captured by NASA's Mars rovers

EASY~5 MIN

EXOPLANET

Exoplanet Explorer

Visualize and explore data on 5,000+ confirmed exoplanets

EASY~5 MIN

SIMULATION

Simulation

GRAVITY

Gravity Lab

Place celestial bodies and observe Newtonian orbital dynamics

EASY~5 MIN

THREE-BODY

Three-Body Chaos

Explore unpredictable orbits created by three-body gravitational interaction

MID~10 MIN

SCALE

Space Scale

Explore 62 orders of magnitude from protons to the observable universe

EASY~5 MIN

STELLAR LIFE

Stellar Life

Simulate the life cycle of stars from nebula to black hole

EASY~5 MIN

SLINGSHOT

Slingshot

Use gravity assists to navigate between planets

MID~8 MIN

BLACK HOLE

Black Hole Lab

Navigate particles through the extreme gravity of a black hole

MID~8 MIN

STARSHIP MISSION

Starship Mission

Pilot a launch vehicle from liftoff to booster recovery

HARD~15 MIN

ARCADE

Arcade

GALAGA

Galaga

Destroy endless waves of alien fleets in classic arcade style

MID~10 MIN

COLLISION

Marble Flicker

Flick marbles in space to battle AI in this physics-based strategy duel

MID~10 MIN

ASTEROIDS

Asteroids

Survive and blast asteroids drifting through deep space

MID~10 MIN

FORTRESS

Tower Defense

Strategically place turrets to defend your fortress

MID~15 MIN

ROCKET WORKSHOP

Rocket Workshop

Build your own rocket and launch it into orbit

MID~10 MIN

ORBITAL DEFENSE

Orbital Defense

Place towers on orbits to defend the station

MID~15 MIN