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Paul Scott Anderson

A new look at ocean worlds

Here’s how the James Webb Space Telescope – successor to Hubble, due to launch in 2018 – will study Jupiter’s moon Europa and Saturn’s moon Enceladus.

Cassini prepares for last look at Titan

Even as the long-lived Cassini spacecraft gears up for its last moments at Saturn, it’s preparing for a final long-distance look at Titan, Saturn’s large moon, on September 11.