Space Facts
Explore planets, our nearest star, and the worlds beyond Earth.
8 articles
Facts About the Moon
The Moon’s familiar face preserves a record of impacts and helps explain the rhythm of our night sky.
Explore the factsFacts About the Sun
The Sun is our nearest star and the main source of energy driving conditions at Earth’s surface.
Explore the factsFacts About Saturn
Saturn’s rings are famous, but its density, atmosphere, and rapid rotation are equally striking.
Explore the factsFacts About Jupiter
The largest planet is a gas giant with powerful weather and a remarkably short rotation period.
Explore the factsFacts About Mars
Mars is a rocky world with polar ice, giant volcanoes, and evidence of a wetter past.
Explore the factsFacts About Earth
Our home planet combines a rocky surface, a protective atmosphere, and abundant liquid water.
Explore the factsFacts About Venus
Venus resembles Earth in size but has an exceptionally hostile surface and an unusual rotation.
Explore the factsFacts About Mercury
The smallest planet has a surprisingly long day and a short year.
Explore the facts