🚀 NASA Astronomy Picture of the Day

Explore the cosmos with stunning space photography and astronomical images from NASA's archives.

One day on Venus is longer than its year! Venus takes 243 Earth days to rotate once, but only 225 Earth days to orbit the Sun.

Planetary Science

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Explore the eight planets, their moons, and other celestial bodies in our cosmic neighborhood.

• 8 planets orbit our Sun

• Jupiter has 95 known moons

• Saturn's rings are made of ice

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Journey beyond our solar system to discover galaxies, nebulae, and the mysteries of the universe.

• 100+ billion galaxies exist

• Light travels 9.5 trillion km/year

• Stars are born in nebulae

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Learn about humanity's greatest achievements in space exploration and future missions.

• First moon landing: 1969

• ISS orbits Earth every 90 min

• Mars rovers active since 1997

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Discover how advanced telescopes help us understand the cosmos and make new discoveries.

• Hubble launched in 1990

• James Webb sees infrared light

• 5000+ exoplanets discovered