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 caused the "
Year Without a Summer"?
Do you know the kingdoms in the Eukaryota domain?
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
As turboprop and jet aircraft climb or descend under certain atmospheric conditions, they can inadvertently "seed" mid-level clouds, causing narrow bands of snow or rain to develop and fall to...
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