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
Did you know?
Did you know that the
footprints left on the Moon’s surface by astronauts
will last for
centuries, because there is no wind on the Moon?
Did you know that greenhouse
gases are increasing rapidly in the Earth's atmosphere?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
xPlasmoid : A structure of plasma and magnetic fields proposed to explain several natural phenomena including magnetic bubbles in magentospheres and ball lightning
Click on the word to find out!
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...Read more