A mysterious underwater noise recorded in 1997, the “Bloop,” fuelled years of speculation about megalodon and other ...

In 1997, the Bloop was heard on hydrophones across the Pacific. It was a loud, ultra-low frequency sound that was heard at listening stations underwater over 5,000km apart, and one of many mysterious ...

The mysterious 'Bloop' noise detected off Florida in 1997 baffled scientists for years, with many convinced it was some ...

Theories about the sound's origins included an undiscovered sea creature. By 2011, NOAA scientists concluded the sound was the cracking of an ice shelf during an icequake. In the summer of 1997, ...

Back in the late 1990s, NOAA’s Acoustic Monitoring Project recorded a series of haunting, creepy noises from deep beneath the ocean’s surface (you can hear it in the audio above). When this recording ...

The loudest underwater sound ever recorded has been a mystery for 20 years and it still hasn't got a confirmed explanation. In 1997, the United States' National Oceanic and Atmospheric Administration ...

Was the infamous “bloop” a sea monster? Learn why this noise was a good reminder that we should keep an eye on the South Pole. Avery Hurt is a freelance science journalist who frequently writes for ...

With Halloween approaching, it's natural to wonder just a little bit more than usual about things that go "bump" in the night. But what about things that go "bloop" in the deep sea? Poltergeists, ...

In 1997, NOAA scientists recorded a haunting, strange sound in the southern Pacific Ocean's depths. Theories about the sound's origins included an undiscovered sea creature. By 2011, NOAA scientists ...