| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | 2nd quake in a week rattles Ohio | | A 4.0-magnitude earthquake struck eastern Ohio on Saturday, a week after a similar but smaller tremor rattled the region, the U.S. Geological Survey reported. |
| NASA gravity probe reaches lunar orbit | | The first of twin research spacecraft entered the moon's orbit Saturday, part of an effort to learn more about how it and other terrestrial bodies formed, NASA said. |
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