Explore Earth
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Earth, the largest and densest rocky planet, was formed about 4.5 billion years ago. The Earth's ...
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The atmosphere is a mixture of nitrogen (78%), oxygen (21%), and other gases (1%) that surrounds ...
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The Earth has a magnetic field with north and south poles. The magnetic field of the Earth ...
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The Earth's one natural satellite, the Moon, is more than one quarter the size of Earth itself ...
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Do you wonder what Earth's Polar Regions are like? Where do polar bears live? Where do penguins ...
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Warm near the equator and cold at the poles, our planet is able to support a variety of living ...
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Water is found in many places on Earth including on the surface of the planet, within rocks ...
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What is life? Why is there life on Earth, but not on any other planets in the solar system ...
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The United Nations estimated that between 1994-2015, there were 6,873 natural disasters worldwide, ...
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Did you know?
Do you know what causes the
different
phases of the Moon?
Do you know how photosynthesis works?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
CirquexCirque : A semicircular basin excavated by glaciers in mountain top regions; may contain a lake
Click on the word to find out!
Research Highlights
Researchers have found a primitive Earth mantle reservoir on Baffin Island in the Canadian Arctic. Geologist Matthew Jackson and his colleagues from a multi-institution collaboration report the finding--the...
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