The distant Uranus moon Miranda has crazy, jumbled surface terrain. Scientists say its surface suggests an underground ocean that might still exist today.
The new sungrazer comet gave us high hopes of a bright comet at the end of October. But it appears it has disintegrated during its close approach to the sun.
Kelly Kizer Whitt writes and edits some of the most fascinating stories at EarthSky.org. She's been writing about science, with a focus on astronomy, for decades. She began her career at Astronomy Magazine and made regular contributions to other outlets, including AstronomyToday and the Sierra Club. She has nine published books, including a children's picture book, Solar System Forecast, and a young adult dystopian novel, A Different Sky.