Earth's Moon: Formation, Composition and Orbit

Scientists say a giant impact knocked off the raw ingredients for the moon off the primitive molten Earth and into orbit.
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'One Giant Leap': As Apollo 11 Moon Landing Turns 45, NASA Aims for Mars
Buzz Aldrin on the Moon in 1969
July 20th, 2014
On July 20, 1969, Neil Armstrong clambered down the ladder of the Apollo 11 lunar lander and pressed his boot into the moon's gray dirt — a simple step that stands as perhaps the most memorable moment in all of human history.
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Apollo 11 Flight Log, July 16, 1969: Launch Day
Apollo 11 Begins to Launch
July 16th, 2014
Commander Neil Armstrong, command module pilot Mike Collins and lunar module pilot Buzz Aldrin blasted into space 45 years ago today (July 16) on Apollo 11's history-making mission to the moon.
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Apollo 11 Flight Log, July 18, 1969: Entering the Moon's Gravity
Apollo 11 Photo of Earth
July 18th, 2014
On the second day of their historic mission to land on the moon for the first time, the Apollo 11 crew of Neil Armstrong (commander), Mike Collins (command module pilot) and Buzz Aldrin (lunar module pilot) received a small gift from Mission Control.
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Stupendous Supermoon Views Wow Stargazers (Photos)
A huge supermoon over Washington
July 14th, 2014
When the spectacular supermoon emerged on Saturday (July 12), so did shutterbugs around the world. readers from around the world sent in amazing photos of the amazing lunar display.
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Did Huge Impact Shape Planet Mercury?
First high-resolution image of Mercury transmitted by the MESSENGER spacecraft (in false color, 11 narrow-band color filters).
July 6th, 2014
A colossal but glancing smashup with a roughly Earth-size planet could have stripped away much of proto-Mercury's rocky mantle, explaining why the tiny, sun-scorched world has such a huge iron core today, researchers say.
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Moon Bumps: Earth's Gravity Creates Lunar Bulges
In this illustration of Earth seen from the moon, the lunar body tide creates a lump on the moon's surface.
June 16th, 2014
Earth's gravitational pull is so powerful that it creates a small bulge on the surface of the moon. For the first time, scientists have observed this bump from orbit, using NASA satellites.
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Apollo 11 Flight Log, July 17, 1969: Course Correction to Reach the Moon
Apollo 11 crew
July 17th, 2014
Following a flawless launch the day before, the Apollo 11 crew continued their historic journey to the moon on July 17, 1969. Landing at the Sea of Tranquility was scheduled for July 20.
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Moonwalker Buzz Aldrin Talks Mars and Moon with Replay of Live Event
Apollo 11 astronaut Buzz Aldrin faces the American flag during NASA's historic Apollo 11 moon landing mission, which touched down on the lunar surface on July 20, 1969.
July 14th, 2014
On Monday, Aldrin will participate in a live Google Hangout with, discussing the upcoming 45 th anniversary of his historic Apollo 11 moon mission, the future of lunar exploration and other topics.
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See the Moon and Mars Meet Up in Night Sky Saturday
Mars and the Moon, July 2014
July 4th, 2014
The moon and Mars will rendezvous in the night sky Saturday, putting on a spectacular show. Some skywatchers will even see the moon blot out the Red Planet in an event known as an occultation.
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