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Image: Spirals in Saturn's D Ring

Although the D ring of Saturn is so thin that it's barely noticeable compared to the rest of the ring system, it still displays structures seen in other Saturnian rings. Here the spiral structures in the D ring are on display.

dateJun 30, 2015 in Space Exploration
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How the brightest lights in the universe 'flicker'

Active galactic nuclei are the brightest objects in the universe. They are not lit up permanently, but rather 'flicker' extremely slowly. This insight helps ETH researchers better understand the influence these nuclei and ...

dateJun 24, 2015 in Astronomy
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Image: Tethys the target

Like most moons in the solar system, Saturn's moon Tethys is covered by impact craters. Some craters bear witness to incredibly violent events, such as the crater Odysseus (seen here at the right of the image).

dateJun 10, 2015 in Space Exploration
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