Earth, the largest and densest rocky planet, was formed about 4.5 billion years ago. The Earth's ...Read more
The atmosphere is a mixture of nitrogen (78%), oxygen (21%), and other gases (1%) that surrounds ...Read more
The Earth has a magnetic field with north and south poles. The magnetic field of the Earth ...Read more
The Earth's one natural satellite, the Moon, is more than one quarter the size of Earth itself ...Read more
Do you wonder what Earth's Polar Regions are like? Where do polar bears live? Where do penguins ...Read more
Warm near the equator and cold at the poles, our planet is able to support a variety of living ...Read more
Water is found in many places on Earth including on the surface of the planet, within rocks ...Read more
What is life? Why is there life on Earth, but not on any other planets in the solar system ...Read more
The United Nations estimated that between 1994-2015, there were 6,873 natural disasters worldwide, ...Read more
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Did you know that there are many
for the full Moon?
Do you know why chromosomes, DNA, and genes are important?
Earth and Space Science Concept of the Day
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xOoids : Small (< 2 mm), spheroidal, layered sedimentary grains, usually composed of calcium carbonate, but sometimes made up of iron- or phosphate-based minerals.
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Created in the first three minutes after the Big Bang, hydrogen and helium gave rise to all other elements in the universe. Stars made this possible. Through nuclear fusion, stars generated elements such...Read more