A look back at David Bowie's encounter with witch Walli Elmlark.
Kathleen Meadows explores the nature and meaning of nightmares.
From the world's top experts (from Maccabee to Friedman).
William B Stoecker looks at the habitability of our solar system.
Sean Casteel recounts the very strange case of a rather bizarre creature.
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David Lange takes a look at the work of paranormal investigator Christopher Chacon.