- BBC News: Moon used to spin 'on different axis'
- The Washington Post: Volcanic activity may have shifted the moon’s axis
- Scientific American: Volcanic Activity May Have Caused Lunar Poles to Wander
- The New Yorker: A NEW LOOK AT ANCIENT MARS
- Smithsonian.com: Pluto May Have a Wandering Heart
- New Scientist: Pluto may have tipped over when Charon tugged at its heart