The legendary sea monster Cetus is a huge and dangerous creature ... the appeal of the unknown and the everlasting interest ...

U.S. deep-sea researchers are investigating new reports and viral theories surrounding the Leviathan sea monster a creature rooted in folklore but increasingly discussed after unusual ocean sightings.

After a century of decreased sightings, reports of a long-necked water monster the size of a hippopotamus are once again ...

A cryptid is an animal that some people believe exists but has never been scientifically proven, like the Loch Ness Monster or Chupacabra ... An actual sea serpent, of sorts, did swim in the ...