airguns), ice (sea ice, iceberg groundings), and animals (cetaceans, fish)." Anything else is usually just some kind of electronic interference with the signal. It's easy to see why the Bloop was ...

It is too big for a whale and one theory is that it is a deep sea monster, possibly a many-tentacled giant squid. In 1997, Bloop was detected by U.S. Navy "spy" sensors 3,000 miles apart that had ...

Is it a sea monster? Is it Cthulhu? In 1997 ... The sound came to be called “the bloop” and remained a mystery for more than a decade. Like everyone else on the planet, the PMEL researchers wanted to ...

There's a blue whale, there's a fin whale, there's a boat, there's a humpback whale and here comes and earchquake," he says. But some sounds remain a mystery he says. Like Bloop -- monster of the ...