Roll back the tape of Earth's history, and geologists and astrobiologists remain perplexed about the environmental conditions ...
And it's not the first instance of a lunar crash.
The impact wasn't visible to the naked eye, but photos are expected to come from a lunar satellite at a later time.
Daily Mail on MSN
Scientists issue warning after spotting more than 20 giant UFOs racing across the moon
Astronomers have raised the alarm after observing more than 20 giant UFOs moving near and across the moon.
Space.com on MSN
A SpaceX rocket just crashed into the moon. Now, the race is on to get a look at the impact site
Early this morning, a SpaceX rocket slammed into the moon at seven times the speed of sound. Now, lunar orbiters are trying to get a look at the aftermath.
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