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  National Geographic: Venus Overview

  03:29

  Astronomy

  planets

  venus

  E

  Named after the ancient Roman goddess of beauty, Venus is known for its exceptional brightness. Find out about the volcanoes that dot Venus's surface, the storms that rage in its atmosphere, and the surprising feature that makes Venus outshine every planet or star in the night sky.

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  National Geographic: Sun Overview

  05:01

  Astronomy

  sun

  E

  The sun keeps the planets in its orbit with a tremendous gravitational force. What would happen if it disappeared entirely? Learn about the star at the center of our solar system, and how it is critical to all life as we know it.

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  National Geographic: Solar System Overview

  04:11

  Astronomy

  solar system

  E

  How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system's genesis, plus its planets, moons, and asteroids.

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  National Geographic: Mercury Overview

  03:32

  Astronomy

  planets

  mercury

  E

  The planet Mercury is named after the messenger of the Roman gods because of its fleeting nature across the sky. Find out the reason behind its incredible speed, if it is indeed the hottest planet in the Solar System, and why the smallest planet in the solar system is slowly shrinking.

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  National Geographic: Our Unique Earth

  03:33

  Astronomy

  planets

  earth

  E

  Earth is the only planet known to maintain life. Find out the origins of our home planet and some of the key ingredients that help make this blue speck in space a unique global ecosystem.

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  National Geographic: Moon Overview

  03:06

  Astronomy

  moon

  E

  What is the moon made of, and how did it form? Learn about the moon's violent origins, how its phases shaped the earliest calendars, and how humans first explored Earth's only natural satellite half a century ago.

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  National Geographic: Pluto Overview

  04:10

  Astronomy

  celestial objects

  plutoids

  E

  Pluto is one of the most mysterious and controversial celestial objects in the solar system. Find out what most mystifies scientists and stargazers about this dwarf planet.

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  National Geographic: Uranus Overview

  04:10

  Astronomy

  planets

  uranus

  E

  Uranus is a planet beyond convention. Find out why it boasts the coldest temperatures in the solar system, what phenomena caused the unique tilt of its axis, and the curious origin of the planet's name.

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  National Geographic: Meteor Showers

  02:43

  Astronomy

  meteor shower

  E

  About 30 meteor showers can be seen from Earth throughout the year. Learn the science behind meteor showers, the dates when showers like the Geminids occur, and the origins of wishing upon a shooting star.

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  National Geographic: Exoplanets

  03:54

  Astronomy

  celestial objects

  exoplanets

  E

  Exoplanets challenge the notion that we are alone in the universe. Learn what types of exoplanets exist, the methods scientists employ to find them, and how many worlds might exist in the Milky Way Galaxy.