The story was last seen at the weekend, but is now thought to be adrift and bobbing around aimlessly out of reach.
Journalists from all corners of the world have taken to ships and planes, desperately searching for a new angle, while hundreds of theories have deployed to see if they float. One expert suggested that the story simply lost momentum when information ran out.
Satellite images appeared to show something of significant size, though it later turned out to be a large group of journalists clinging to a tiny piece of speculation.
One journalists told us: “We are looking for any sign of debris which might have some association with the story, no matter how small.”
“Nobody can tell me this story is dead. As far as we are concerned, no news is still good news.”