Earth
Planet Earth
Planet Earth is the birthplace of humanity, the cradle of human civilization, and the only known planet in our Solar…
Solar System Guide
The Universe is a very big place, and we occupy a very small corner of it. Known as the Solar…
More Evidence That Comets May Have Brought Life to Earth
The idea of panspermia -- that life on Earth originated from comets or asteroids bombarding our planet -- is not…
What is the Earth’s Average Temperature?
Earth is the only planet in our Solar System where life is known to exists. Note the use of the…
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Moon Transits Earth in Eye-poppingly EPIC View from 1 Million Miles Away
This animation shows images of the far side of the moon, illuminated by the sun, as it crosses between the…
The Planet Venus
The planet Venus, which is hottest and most hellish world in our Solar System, has a long history of being…
This is Our Planet From a Million Miles Away
This picture of our home planet truly is EPIC – literally! The full-globe image was acquired with NASA’s Earth Polychromatic Imaging Camera (aka…
How Could We Destroy the Moon?
What would it take to destroy our moon, and eliminate the enemy of stellar astronomy for all time? In the…
What is the Pacific “Ring of Fire”?
What if someone were to tell you that there's a region in the world where roughly 90% of the world's…
What Causes Lightning?
Thunder and lightning. When it comes to the forces of nature, few other things have inspired as much fear, reverence,…