Subject: Richard Hoagland

• Mars Face-off

  Letters from the week of December 12, 2002

  December 12, 2002

• Mexico, Mars and the Man

  Letters from the week of December 19, 2002

  December 19, 2002

• Slap in the Face

  More controversy in the debate over an image of Mars

  January 16, 2003

• To Spite the Face

  Researchers accuse ASU's THEMIS of fraud and cover-up on latest image of 'Face on Mars'

  December 5, 2002