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Earth, Our Home Planet

Earth, our home planet, is the 3rd planet from the sun.
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Did Venus Give Earth the Moon? Wild New Theory on Lunar History
This illustration shows the still-molten moon just after its formation about 4.5 billion years ago.
September 27th, 2013
Is the moon a present from Venus, which once had a moon and then lost it? A wild new theory puts the scenario out there.
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Intelligent Machines to Space Colonies: 5 Sci-Fi Visions of the Future
5 Science-Fiction Visions of the Future
September 16th, 2013
Humanity has reached a bottleneck this century: Technical developments could cause catastrophic damage to the planet, or they could save us from our man-made quandary.
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Ask NASA About Climate Change On Youtube | Video
Ask NASA About Climate Change On Youtube | Video
September 4th, 2013
Learn how you can get your questions answered by NASA's climate scientists in this public outreach program.
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Climate Change Impact: NASA's 21st Century Predictions | Video
Climate Change Impact: NASA's 21st Century Predictions | Video
September 27th, 2013
According to models, temps and precip. will change dramatically over the next 87 years, with amounts varying per location. Worldwide land area temperatures are predicted to increase, along with areas of heavier and decreased precipitation.
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Apparent Sizes of Moons | Space Wallpaper
Martian Moons and Earth Moon Comparison
September 4th, 2013
This space wallpaper is a comparison of how big the moons of Mars appear to be, as seen from the surface of Mars, in relation to the size that Earth's moon appears to be when seen from the surface of Earth.
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Did Ancient Earth-Chilling Meteor Crash Near Canada?
Spherules of melted glass
September 3rd, 2013
A meteor or comet impact near Quebec heaved a rain of hot melted rock along the Atlantic Coast about 12,900 years ago, a new study claims. The new research impacts a controversial theory about a big climate shift called the Younger Dryas.
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What Was Frigid 'Snowball Earth' Really Like?
Snowball Earth Illustration
August 23rd, 2013
In the 20 years since the idea was first proposed, scientists have improved their understanding of an ice-covered "snowball Earth." Researchers Linda Sohl recently spoke about how the idea has evolved along with the technology that studies it.
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Earth's Beauty Reflects Off Space Station Solar Wings In Striking Astronaut Photo
Earth's Horizon Reflected on ISS Solar Arrays
September 27th, 2013
NASA astronaut Karen Nyberg captures stunning image of the Earth's horizon at sunset reflecting off the International Space Station's solar arrays on Sept. 18. See how she did it here.
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Ask NASA About Climate Change On Youtube | Video
Ask NASA About Climate Change On Youtube | Video
September 4th, 2013
Learn how you can get your questions answered by NASA's climate scientists in this public outreach program.
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Planet Labs Photos of Earth from Space (Gallery)
Dove Satellite Image #2
August 30th, 2013
San Francisco-based startup Planet Labs released the first images of Earth taken by its Dove 1 and 2 satellites in April and May 2013.
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