Skip to content

Mysteries

Stories from the edge of explanation.

  • Latest
  • UFO & Beyond
  • Cryptids & Creatures
  • Hauntings & Paranormal
  • Ancient Enigmas
  • Vanishings & Strange Events
  • Science on the Edge
  • Explained at Last
  • The Archive
  • About
  • Random mystery

algae

Kerala Red Rain: When the Sky Rained Red in 2001

November 8, 2026November 7, 2026 by Tommy Hayes
Photomicrograph of red particles from a Kerala red rain sample

About 4 min readIn the summer of 2001, rain fell red over Kerala in southern India, staining clothes pink and sparking claims of life from space. The official investigation found a far more ordinary culprit: spores of a local orange alga.

Categories Explained at Last Tags algae, blood rain, Explained, India, Kerala red rain, Trentepohlia Leave a comment

About Mysteries

Mysteries is an archive of phenomena that still lack a settled explanation. We tell these stories with evidence first: what was seen, what was recorded, what can be checked, and what remains unknown.

  • About
  • How we research
  • Corrections

Browse

  • Ancient Enigmas
  • Cryptids & Creatures
  • Explained at Last
  • Hauntings & Paranormal
  • Mystery News
  • Science on the Edge
  • UFO & Beyond
  • Vanishings & Strange Events

The archive

  • Latest
  • Explained at Last
  • Random mystery

Past Tunes family

  • Past Tunes
  • True Crime
© 2026 Mysteries • Built with GeneratePress