Deep Sea Recordings from Mariana Trench Share Eery Sounds from the Deep

Deep rumbles, unearthly moans, high pitched screeching: these are but a few elements of the alien soundscape researchers have now recorded for the first time at Challenger Deep, the deepest known valley on the seafloor. One might expect Challenger Deep—which sits at the bottom of the Mariana trench some 36,000 feet beneath the ocean surface—to be a quiet place. But … Continue reading →