How the Moon Evolved: A Photo Timeline

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Bang! Mars-size body impacts Earth

Credit: NASA/JPL-Caltech
According to a new study, scientists think Earth's moon formed about 95 million years after the first solids condensed in the solar system. Read the…Read More »

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Moon's Age Revealed, and a Lunar Mystery May Be Solved. While there are competing theories, most scientists think that in those early days of the solar system Earth was impacted by a huge, Mars-sized body that spewed debris into orbit around the nascent planet. [See the moon's formation and evolution in this step-by-step infographic.]   Less «
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Miriam Kramer

Miriam Kramer

Miriam Kramer joined as a staff writer in December 2012. Since then, she has floated in weightlessness on a zero-gravity flight, felt the pull of 4-Gs in a trainer aircraft and watched rockets soar into space from Florida and Virginia. She also serves as's lead space entertainment reporter, and enjoys all aspects of space news, astronomy and commercial spaceflight. 
Miriam has also presented space stories during live interviews with Fox News and other TV and radio outlets. She originally hails from Knoxville, Tennessee where she and her family would take trips to dark spots on the outskirts of town to watch meteor showers every year. She loves to travel and one day hopes to see the northern lights in person. You can follow Miriam on Twitter and .
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