Earthfiles investigative reporter Linda Moulton Howe discussed the unexplained lights coming from Ceres, new data about Saturn's moon Enceladus, and explanations for the mysterious rumbling booms and metallic sounds and their possible connection to changes in the Earth's core.
First hour guest, documentary filmmaker James Fox has an update on UFOs. He is continuing to work on his upcoming documentary/feature 701 with Tracey Torme, which explores the origins of the UFO phenomenon and the government suppression of evidence.
The Opportunity rover has discovered an unusual rock on the surface of Mars. Dubbed "Marquette Island," the boulder is different in composition than other known rocks from the Red Planet, and could reveal secrets about Mars' interior. More at Space.com.