| |  In these images of Saturn's moon Titan, the colors reveal different materials on its surface. For example, the moon’s equatorial dune fields appear a consistent brown color. Bluish and purple hues might indicate water ice. Image via NASA/JPL-Caltech/University of Nantes/University of Arizona | | |
| Here's how Titan looks in infrared | | | Saturn’s largest moon Titan is enveloped in a thick atmosphere, but the infrared camera on the Cassini spacecraft was able to reveal the moon’s myriad of surface features. Read more. | | |
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| Whales share songs from other oceans | | Singing humpback whales from different ocean basins seem to be picking up musical ideas from afar, and incorporating these new phrases and themes into their songs. Read more and hear songs.
 A breaching humpback whale in the waters of Gabon in Western Equatorial Africa. Image via ©Tim Collins/Wildlife Conservation Society. | | |
