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Stories, updates, insights, and original analysis from The Planetary Society.

The Mercury Transit You Probably Missed

Planetary transits of the Sun by Mercury and Venus don't come along very often, and when they do we make a big deal of it because, well, it's really cool!

Six wheels on soil for Yutu!

Here it is! Animated gifs, composed of screen grabs from Chinese state television, of the Yutu rover rolling on to the lunar surface. This was a replay, but it was no less thrilling for that; the actual rollout happened at 20:40 UT (12:40 PT). Six wheels on soil! Woohoo!

Chang'e 3 departs for the Moon, with amazing images and video

On December 1 at 17:30 UTC, Chang'e 3 launched atop a Long March 3B rocket on a direct lunar transfer trajectory. It is scheduled to enter orbit December 6 and land December 14. The rocket was equipped with cameras that recorded thrilling video of the launch and final departure of the probe.

ISON, Encke, Mercury, and Home

Comet ISON has entered the field of view of the STEREO HI-1A camera, and, in an awesome animation, it joins a large cast of characters already present there.

Shadowland

Seasons, sunlight, and shadow at the Moon's north pole

Arc of Ice and Light

When the sunlight catches it just right, Saturn's F Ring is something to see.

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