Planet Earth
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-08-climate-change-protest-250.jpg)
Civil disobedience is on the minds of about a quarter of
Americans when it comes to getting some large corporations to stop
adding to climate change woes.
![](http://static.ddmcdn.com/gif/cassini-wave-at-earth-250.jpg)
When the Cassini spacecraft snapped photos of Earth as it appeared from Saturn in July, many space fans waved back.
![](http://static.ddmcdn.com/gif/red-sprites-6-250.jpg)
Jason Ahrns, a graduate student at the University of
Alaska-Fairbanks, goes sprite-chasing at night during electrical storms.
Here's what he captures.
![](http://static.ddmcdn.com/gif/red-lightning-sprites-2-columnar-250.jpg)
Amazing new photos and video of the elusive red lightning
called sprites are helping researchers understand how the mysterious
electric bursts form.
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