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“Impact Craters”

Oct 30, 2015 02:30 PM ET // Irene Klotz
New lunar gravity maps point out a stark and unexpected difference between the sizes of ancient asteroids that slammed into the moon billions of years ago and the sizes of the rocky bodies that occupy the in the Main Asteroid Belt today.
Oct 8, 2015 07:00 AM ET // Elizabeth Howell
Something is erasing craters on several moons of Saturn. What are the most likely causes?
Jul 21, 2015 07:00 AM ET // Elizabeth Howell
An Arctic crater holds promise for figuring out how to spot something interesting on the moon or Mars, an astronaut says.
Jun 2, 2015 04:33 PM ET // Ian O'Neill
Strange bright swirls have long been known to exist on the moon's surface and their origin is steeped in mystery -- might comets be the culprit?
Mar 23, 2015 01:51 PM ET // Ian O'Neill
Two vast underground domes are buried under central Australia that researchers have realized are the scars of the biggest and most powerful asteroid impact yet found on Earth.
Mar 17, 2015 12:39 PM ET // Ian O'Neill
A previously undiscovered moon crater has been provisionally named after the famous US aviator Amelia Earhart.
Jan 25, 2015 03:07 PM ET // Jason Major
Here today, gone tomorrow; a bright layer of frost lining a crater wall is vanquished by the springtime sun -- and seen by a NASA Mars satellite high overhead.
Dec 15, 2014 08:28 PM ET // Jason Major
The MESSENGER mission is approaching the end of its operational life, but before it dies, you can help NASA name 5 of Mercury's craters.
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