The loudest underwater sound ever recorded emanated from one of the most remote locations on Earth—Point Nemo in the Southern Pacific Ocean. This vast and isolated spot lies 2,689 kilometers (1,671 ...
In 1997, underwater sensors detected an incredibly powerful sound echoing across thousands of kilometers of the Pacific Ocean ...
In 1977, researchers at Ohio State picked up this narrow-band radio signal emanating from somewhere beyond the constellation Sagittarius. It was exactly the kind of signal you’d expect from an ...