NASA is baffled by unexplained discrepancies in the velocities of some of its spacecraft. Dubbed the Pioneer Effect, it has been observed before but has now been discovered in more probes. Many theories have been put forward, many disproved, and some are wondering if our understanding of gravity is correct. [more inside]
posted by blue shadows on Mar 22, 2008 - 50 comments

Do you believe in ghosts on film? The history and controversy of spirit photography.
posted by amyms on Mar 21, 2008 - 41 comments

"This may very well be the single greatest biological discovery of our age" - rods, or skyfish, are the subject of a documentary by Jose Escamilla. While some are skeptical, Jose and others aren't dissuaded and Kozo Ichikawa claims to catch them bare-handed. Japanese TV reports, and USA's unit 13 investigates. Heres a guide to photographing them or filming, or buy an instructional video and rod-rod, known as a spoodle and try to catch some yourself.
posted by MetaMonkey on Oct 17, 2006 - 43 comments

What is The Hum? Some residents of Taos, New Mexico suffer from it, and it seems to happen elsewhere, too. Listen to it here and here (.wav files, and not actually very dramatic). No one knows quite what the hum is, and even refutations don't really work. There are some "scientific" explanations, but The Hum Remains mysterious and sinister.
posted by interrobang on Dec 20, 2004 - 33 comments

A Cautionary Tale: DNA Analysis of Alleged Extraterrestrial Biological Material: Anatomy of a Molecular Forensic Investigation .pdf file
::From The National Institute for Discovery Science via The Daily Grail::
[more inside]
posted by anastasiav on Sep 24, 2003 - 7 comments

"Unexplained, but not Inexplicable" photograph collection
posted by crunchland on Jun 19, 2003 - 14 comments