Explore Planets

Do you know what a planet is? Guess what... astronomers are not quite sure what a planet is! ...
Read more

Mercury, the planet nearest the Sun, is the second smallest planet in the solar system. Only ...
Read more

Fair but inhospitable Venus, a "Sister" planet to the Earth that is very different from our ...
Read more

Earth, our home planet, is a beautiful blue and white ball when seen from space. ...
Read more

Mars, Earth's outer neighbor, is the fourth planet from the Sun. Mars' bright appearance and ...
Read more

Jupiter is the largest planet in the solar system. When approached from afar, its fantastic ...
Read more

Saturn, the sixth planet from the Sun, has the most spectacular set of rings in the solar system. ...
Read more

Uranus, the seventh planet from the Sun, has its spin axis almost in the plane of its orbit ...
Read more

Neptune, the eighth and furthest planet from the Sun, is a very cold place. Its bluish color ...
Read more

In 2006 the International Astronomical Union (IAU) approved a new classification scheme for ...
Read more
Did you know?
Did you know that the
Phoenix Mars Lander landed on
Mars on 25 May, 2008?
Did you know that Uranus is tilted so that its rotational axis is almost in the plane of the ecliptic?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
LithospherexLithosphere : The lithosphere is the outer solid part of the earth, including the crust and uppermost mantle.
Click on the word to find out!
Research Highlights
In the spring of 2010, the eruption of a volcano called Eyjafjallajökull in Iceland cancelled many flights in Europe. Eyjafjallajökull is a glaciovolcano, which means it's a volcano that is covered by...
Read more