Add Yahoo as a preferred source to see more of our stories on Google. Underwater surveys picked up mysterious “bio-twang” sounds from the Mariana Trench in 2014. A new study reveals where the ...

Add Yahoo as a preferred source to see more of our stories on Google. Solar-powered balloons are recording mysterious sounds below human hearing in the stratosphere. The unknown crackling could be the ...

In late 2016, dozens of staffers at the U.S. Embassy in Cuba fell sick after reportedly hearing mysterious noises in their hotels or homes. Afterward, they reported severe physical symptoms, including ...

Mysterious sounds emanating from the depths of the Southern Ocean continue to astound scientists as the latest research suggests the strange noises may have been a “conversation” between unidentified ...

Giant solar balloons were sent 70,000 feet up in the air to record sounds of Earth’s stratosphere — and the microphones picked up some unexpected sounds. The stratosphere is the second layer of ...

Daniel Bowman sends cell phones into the stratosphere aboard solar-powered hot-air balloons. You might be surprised what sounds they record up there. These balloons listen to the Earth from a dozen ...