Our Earth is structured sort of like an onion – it’s one layer after another. Starting from the top down, there’s the crust, which includes the surface you walk on; then farther down, the mantle, ...
NASA says Earth is about halfway through its lifespan. Scientists explain how solar changes could affect habitability, oceans, and the planet’s future over billions of years ...
Seasonal changes are caused by Earth's 23.5-degree axial tilt, not its distance from the Sun. When a hemisphere leans towards the Sun, it receives direct sunlight and experiences summer, while the ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. [WATCH: In the video player above, check out ...
The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond during the long days of summer. By Jacey Fortin This article was updated ...
The object, the latest “quasi-moon” detected by astronomers, could be with us for almost another 60 years. By Robin George Andrews The Earth stands alone in the solar system as a habitable world, as ...
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